Choosing a water filter - which one is better? How to choose a water filter: expert advice, which water filter to choose Household water filters

It is not always convenient and profitable to purchase drinking water, and drinking it untreated from the tap can be hazardous to health. In this case, it is best to buy a good water filter for installation under the sink and enjoy it clean, healthy and tasty. In this rating, we have collected effective flow-through cleaning systems, as well as units with reverse osmosis. Of these, everyone will be able to choose a suitable option for themselves, including a budget one. But first, you should familiarize yourself with the pros and cons of the various models.

You don't have to go far in search of good water filtration systems, there are many good units on sale russian production at affordable prices. There are dozens of popular manufacturers operating in this market, but the most famous are the following:

• Geyser - the history of the brand began in 1999 from a group of enthusiasts and developed to a large company that became one of the leaders in the plumbing and plumbing equipment market. It offers both single flasks and complete multi-stage purification systems with 2 and 3 modules, with storage tanks. Its units are able to cope with the most difficult dirt.
• Aquaphor - one of the market leaders of water purification filters, which began operations in 1992. Its products are shipped to 20 countries around the world and are designed with strict quality and safety standards in mind. The manufacturer controls the process at all stages, from development to marketing. The company uses modern technologies to ensure high quality water.
• Barrier - the mission of the company is to provide the population with high-quality, tasty and safe running tap water, which will not negatively affect the functioning of the liver, kidneys, and bladder. Its products are easy to use, easy to install and available on the market. The manufacturer produces not only systems, but also separate removable cassettes to replace obsolete components, which makes them easier to use.
• Atoll - filters of this brand provide 100% deep cleaning, effectively removing even the smallest particles and softening water. In the range, special attention is paid to multilevel filtration systems, which simply leaves no chance for harmful substances. The company's cartridges use materials that meet the strictest safety standards. There are both budget models and premium units.

You can buy goods not only in online stores, but also on the official websites of companies. Some firms even offer free home delivery and under-sink filter systems.

Rating of the best filters for water under the sink

The basis for compiling this TOP was customer reviews and expert opinions. When looking for the best filters for cleaning water for washing, we took into account many important points:

• Unit weight and dimensions;
• Type - with or without osmosis;
• Functions - removal of chlorine, salt ions, softening and mineralization;
• Ease of installation;
• Ease of changing cartridges;
• Presence of sediment after boiling;
• Taste properties of water;
• The number of degrees of filtration - usually three or five are offered;
• Water treatment speed;
• Resource of cartridges;
• Ease of maintenance, how often to change cartridges.

The most important selection criterion for us was the quality of the outgoing water, to determine which it was compared with that given by a well and a spring, as well as with that sold in stores. An important parameter was the ratio of the utility of the units to the price set for them.

The best flow filters for washing

Such filter systems are created from several modules, each of which contains a cartridge. Water passing through them is purified, and small particles of salt, chlorine, iron and many other harmful substances are removed from it. Getting rid of these impurities, it ceases to be harmful and becomes more tasty. These units are cheaper than those with a reverse osmosis function. We present to your attention the 3 best flow-through water filters for washing.

... I recently conducted a test, comparing water from a well and from a tap, purified with this filter. My family and I myself did not notice any difference, which speaks positively about him ...

Expert opinion

By choosing this model, you can count on water purification at a rate of 3.6 liters per minute. Two levels of filtration keep the appliance out of rust and bleach, pesticides and nitrates, making it soft, tasty and less harmful. It is easy enough to attach it to the tap, and reliable fasteners prevent bolts from breaking off even under strong pressure, which eliminates emergency situations. After processing, the water becomes useful, saturated with calcium, as a result, it can be drunk without boiling, without fear for health.

Advantages:

• Good work speed;
• Easy to install and use;
• Inexpensive cartridge;
• Doesn't take up much space under the sink;
• Long term of use;
• It softens water and is more pleasant to drink.

Disadvantages:

• Sometimes the cartridge gets dirty and needs to be rinsed with hot water and citric acid.

The Aquaphor brand water purification device consists of three modules, which are compactly assembled into one structure. Thanks to this, the unit cleans water from heavy metals, magnesium and excess salts. With its help, it is disinfected, which minimizes the harmful effect on the liver, kidneys and bladder... If soiled and damaged, cartridges can be easily replaced, and this allows you to increase the life of the product.

Advantages:

• Gives tasty water;
• Easy installation;
• Convenient design;
• Quick and easy cartridge replacement;
• It softens water well;
• Several stages of cleaning.

Disadvantages:

• It completely removes salts that the body needs to one degree or another.

Since the resource of the filter module is 6000 liters, its service lasts for a long time. Also, buyers note that after its installation, as a result of boiling the water, less scale began to form.

Externally, a purifying filter for running water is similar to the previous ones, but it stands out favorably against their background by its ability to withstand a load of more than 10,000 liters. In one minute, it can clean up to 2 liters of tap water, which is a good indicator. Its work is stable under both strong and low pressure. It removes harmful iron and chlorine, making the water healthy and tasty. This effect is obtained by a 3-stage filtration system. The device does not take up much space under the sink.

Advantages:

• High quality of leaving water;
• Reliable fastening to the wall with two screws under the sink;
• The cartridges last for a long time;
• Removes the chlorine taste;
• Easy to use;
• Small kit size.

Disadvantages:

• In case of inaccurate handling, there is a possibility of a crack on the flask along the thread.

In the reviews, buyers point to the simplicity of the design, the absence of scale in the water after cleaning and the ease of use.

The best water filters under the reverse osmosis sink

Compared to conventional flow-through filter systems, such units are more versatile. They not only remove small mechanical particles from the water, but also disinfect it, and sometimes also mineralize it. Thanks to this, it not only ceases to be harmful, but even becomes useful. True, this fact did not play in favor of the price, which is quite high here. This rating category describes the top 3 reverse osmosis water filters on the market.

This water purification system is highly efficient due to its reverse osmosis function, which allows it to remove particles from the liquid with a minimum size. It easily copes with the filtration of sodium ions, salts, dyes, small molecules. As a result, the taste of water becomes pleasant and natural, and it itself ceases to be harmful to health. This is facilitated, in particular, by the option of its softening, as well as 5 stages of cleaning. It is convenient to have a storage tank with a volume of 12 liters, where it can be stored.

Advantages:

• Copes well even with very dirty water;
• It can provide up to 200 liters of clean water per day;
• Has a separate tap;
• Allows you to forget about scale;
• Iron removal function;
• Availability of filter modules.

Disadvantages:

• Productivity does not exceed 0.14 l per minute.

The Geyser Prestige purification filter prepares water well both for drinking and for cooking.

This is one of the most popular units in its category, which has won a place in the rating of water filters for washing due to the high quality of work. As a result, it turns out not only clean and safe, but also delicious. According to customer reviews, it is difficult to distinguish it from a spring or taken from a well. This model does an excellent job of toughness thanks to its softening function, which people with kidney disease appreciate. At any time, you can replace an outdated cartridge with a new one, which is not difficult to find on the market.

Advantages:

• Separate tap included;
• Easily connects to the water supply;
• Withstands even heavy loads;
• Not visible to others;
• Mineralizes water, which makes it useful;
• Cleans in 5 steps.

Disadvantages:

• The maximum inlet water temperature is 38 degrees;
• Cannot filter faster than 0.08L per minute.

For buyers, water after purification, according to reviews, no longer causes complaints about its taste, smell and color.

This is a good budget filter for water purification with reverse osmosis function, iron removal, chlorine elimination. This explains the high quality of the liquid at the outlet, and the softening and mineralization option is responsible for the pleasant taste. It is installed under the sink, which reduces space and does not spoil the design of the kitchen. Not even a master can handle the connection of the structure to the water supply, and it weighs only 6.2 kg. Its advantage is the ability to work even under low pressure.

Advantages:

• Compactness;
• Mineralization function;
• Normal cleaning speed;
• "Native" storage tank is enough for the head;
• Easy to install.

Disadvantages:

• The valve from the kit can give an oily film on the water;
• Extra long screws for attaching the drain pipe clamp.

Effective disinfection model "Aquaphor DWM 101S Morion" makes the best filter for water purification for installation under the sink, due to which it becomes safe for health.

Which water filter for the sink is better to buy

For water purification from salts, heavy metals and others harmful substances ordinary flow filters are quite enough. If you also need to eliminate bacteria, as well as carry out mineralization and finer purification, then you will need more expensive reverse osmosis systems. Both those and other units are built into the water supply system and have removable purification modules. For a small family, an aggregate with a filtration rate of up to 1 liter per minute may be enough, and for large ones, faster models are needed. The more modules, the more versatile the filter.

• For a large family, the Geyser ECO model will be just right, which is capable of passing 3.6 liters per minute.
• Those living in regions where there is a high probability of contracting hepatitis should pay attention to Aquaphor Crystal N.
• If you need to get not just harmful, but useful water, the "Barrier Profi Standard" system will be the best choice.
• To accumulate water, you will need models with a special tank included, for example, Geyser Prestige.
• In the event that there are children in the house, especially small ones, the Atoll A-550m STD filter will be relevant.
• If you need to not only purify, but also mineralize the water, then Aquaphor DWM 101S Morion can cope with this.

The most effective, reliable and proven systems have been included in the rating of water filters for washing. They differ slightly in parameters, so there is a good model for each situation. The main thing is that the unit adequately fulfills its cleaning tasks, which will preserve your health.

The importance of water in human life can hardly be underestimated. It is needed daily in sufficient quantity. Not only the taste of dishes depends on its purity, but also, to a large extent, the health of people. Different filters are used to clean it. And in order to determine which water filters for washing are better, you should familiarize yourself with them.

In order for the purchase of a water purification device to be as effective as possible, it is necessary to focus on one of two possible filter designs:

• flowing;
• reverse osmotic.

Flow-through filters are considered the most easy-to-use, small-sized and affordable filters. They consist of several containers that are connected in series by the manufacturer. There can be several such containers. Typically two to five.

Each of them has a filter cartridge. The cleaning system is attached to the water supply using a rigid or. The structure is installed under the sink, and water flows through the tap on the washbasin. Cleans such a filter exclusively cold water.

Flow filter functions:

• purification of running water from large and small mechanical impurities;
• sorption treatment - elimination of harmful bacteria, taste and odors;
• uV cleaning, if provided by the manufacturer.

As a result, it turns out that such a device purifies running water to a state that is as safe as possible for use. It can be used both with a centralized water supply system, and with an autonomous one (water from wells and wells).

Flow-through filters take up very little space under the sink. This system will fit perfectly in small kitchens, where there is very little space under the sink

The flow-through filter under the sink consists of the following elements (there may be differences, depending on the manufacturer):

• tap for water connection;
• tap for tap connection;
• filters - preliminary cleaning, mechanical and sorption, fine and finishing;
• crane.

Reverse osmosis filters for water purification, which are installed under the sink, are more voluminous and more expensive. This is due to the fact that the design provides two additional elements: a storage tank and a reverse osmosis membrane.

Such a membrane is designed to provide consumers with the most purified water. The thin polymer is rolled up. The pores of this material are so small that only water molecules can pass through.

Naturally, the cleaning speed is much lower than that of flow filters, so it is advisable to use a tank to collect water.

In front of the membrane there are pre-filters that remove all large impurities from the liquid. After the storage tank, there is also a filter, the purpose of which is to eliminate odor and taste. At the exit - almost perfect water.

Due to the fact that the liquid is purified from various useful salts and minerals, some manufacturers can complete the device with mechanisms for saturating the purified water with the necessary chemical elements. This makes the structure a little more expensive, but the water becomes more useful.

It is desirable that the tubes of the filtering system are neatly laid and do not interfere. Otherwise, they can be damaged and the use of cold water will be impossible.

Top 11 best filters on the market

Both types of filters are unequal and are intended for different categories of buyers, so we chose the top ten best models flow and reverse osmosis systems, and ranked them in order of increasing popularity.

Place No. 11 - Geyser 3VK Lux

Before buying such a device, it should be noted that its main purpose is to work with soft water. If the water is hard, then it is highly desirable that it has a minimum iron content. Therefore, you need to buy either a water softener or an iron removal filter for the system.

Characteristics:

• the number of cleaning stages - 3;
• cleaning type - sorption;
• chlorine removal - yes;
• productivity - 3 l / min;

It's a pretty productive device. It is able to work even in systems with low pressure (from 0.5 atm).

Of the advantages, the low cost of the filter and replaceable cartridges should be highlighted. This model is one of the most popular in the Geyser product line.

Place No. 10 - Geyser Bio 322

This model of a flow-through filter can work with any water supply system. Handles loads well and is able to provide a stable outlet head.

Suitable for those buyers whose water in their homes is hard and odorless. The filter elements will rid the liquid not only of mechanical impurities, but also of bacteria.

Characteristics:

• the number of cleaning stages - 3;
• type of cleaning - sorption, mechanical (deferrizes and softens water);
• chlorine removal - yes;
• productivity - 3 l / min;
• the presence of a crane in the kit - yes.

The cartridges are durable. You rarely need to change them. In systems where cast iron pipes are used, the water is often saturated with an excessive amount of iron, but this drawback is eliminated with the Geyser Bio 322 installation.

Disadvantages: significant cost of the filter itself and cartridges for it. Also, difficulties may arise during installation, since additional adapters are required for connection. It is impossible not to pay attention to the weight of the device - more than 6 kg.

Place No. 9 - Geyser Allegro M

This reverse osmosis filter is popular with any category of consumers. He will find a place in new modern houses and old "Khrushchevs". A good option for purifying centralized cold water.

Characteristics:

• the number of cleaning stages - 5;
• chlorine removal - yes;
• the presence of a crane in the kit - yes.

The first three stages are used for preliminary water purification. At the fourth stage, only water and oxygen are filtered through a membrane with a pore size of 0.0001 μm. Then the water enters the tank.

To prevent bacteria from multiplying in the tank, replaceable membranes are installed there, which retain the maximum number of microorganisms. Water in such a container deteriorates 1000 times slower than in a container without a membrane.

At the last stage, the water gets rid of odors and is saturated with minerals. In addition to this filter, you can buy a pump designed to increase the outlet water pressure. Advantages: long service life; the design provides a pressure relief valve in the tank; high productivity of the cleaning system.

Disadvantages: high cost of construction; the complexity of the installation.

Place number 8 - New Water Praktic Osmos OU380

The device attracts with its price, small size and lightness. This is an excellent choice for small kitchens where there is not enough space for bulk RO filters.

Characteristics:

• the number of cleaning stages - 5;
• chlorine removal - yes;
• productivity - 0.125 l / min;
• storage tank volume - 7.5 l;
• the presence of a crane in the kit - yes.

The tank is small - this is the main drawback. At the same time, it fills up quickly. The rate at which the water tank is set can be increased by purchasing a booster pump. The filling time will be reduced to 15 minutes. Thanks to the high-quality Japanese membrane, the water purity is at the level of expensive filters.

Among the shortcomings, the low quality of all components and assembly in general is noted. But, the device confidently fulfills its warranty period.

Place number 7 - Aquaphor Favorite B150

The model is perfect for. If it is planned to install it in a centralized water supply system, then it is necessary to use additional filters for mechanical cleaning. This is due to water pollution in the systems. You can do without this, although you will have to change cartridges more often.

Characteristics:

• the number of cleaning stages - 2;
• cleaning type - sorption;
• chlorine removal - yes;
• the presence of a crane in the kit - yes.

The filter is completed with an additional stainless steel housing. This allows you to complete the appearance of the device.

The resource of the cartridge is quite large - 12,000 liters. Even for a large family, it will last a very long time. Changing the cartridge is easy - there is only one cartridge. The replacement has to be carried out no more than twice a year. Advantages: clean water at the outlet, no chlorine odor; installation can be done independently; the pressure of the purified water is enough for domestic needs.

The disadvantages include the high cost of replacement cartridges. It is also recommended to install additional pre-filters and water softeners. It will be more expensive, but it will make it possible to maximize the life of the cartridge.

Place No. 6 - New Water Expert M310

Good for hard water systems. The liquid goes through four stages of purification, where it gets rid of odors and impurities. The manufacturer claims the filter's ability to work at a pressure of 45 atm, which is confirmed by tests carried out in a laboratory.

Characteristics:

• the number of cleaning stages - 4;
• cleaning type - sorption (additionally softens the water);
• chlorine removal - yes;
• productivity - 2.5 l / min;
• the presence of a crane in the kit - yes.

Of the advantages, the pleasant cost of the device and thoughtful appearance... Unfortunately, there were some drawbacks: low resource of cartridges and high cost of their purchase. Otherwise, this is an excellent budget option for apartments and houses.

Place No. 5 - Aquaphor Crystal Eco N

The filter combines such qualities as performance and high degree of purification. The 0.1 micron membrane retains all water contaminants. At the same time, it allows the required amount of salts and minerals to pass through. The sorption component of the filter traps and removes bacteria.

Characteristics:

• the number of cleaning stages - 4;
• cleaning type - sorption;
• chlorine removal - yes;
• productivity - 2.5 l / min;
• the presence of a crane in the kit - yes.

The resource of the cartridge is quite high - 8000 liters. A reliable tap is included. The device weighs only three kilograms. This model is well suited for those who have little space under the sink. Aquaphor Crystal Eco is a compact water filter that will perfect solution for autonomous water supply systems.

Place No. 4 - Aquaphor OSMO-Kristall 100

This is a worthy option for installation under the sink by home owners. With its low cost, the filter cleans even very polluted water. Removes not only rust, but also heavy metals, pesticides and chlorine.

Characteristics:

• the number of cleaning stages - 4;
• cleaning type - sorption (additionally softens water, deferrizes);
• chlorine removal - yes;
• productivity - 0.26 l / min;
• storage tank volume - 10 l;
• the presence of a crane in the kit - yes.

Water from this filter can be used for bathing babies, making mixtures. The tank has enough capacity for cooking. This model is suitable for all lovers of clean water. The filters will have to be changed every 6 months, so the device can be classified as economical.

Seat number 3 - Atoll A-550m STD

A popular reverse osmosis purification system that additionally mineralizes clean water at the 5th stage. The liquid thus purified enters the container, where it is located until the moment of its use.

The storage capacity is enough for drinking water supply, cooking. As soon as the withdrawal of water from the tank begins, the purification of new water starts automatically.

Characteristics:

• the number of cleaning stages - 5;
• cleaning type - sorption (additionally softens water, mineralizes, deferrizes);
• chlorine removal - yes;
• productivity - 0.08 l / min;
• storage tank volume - 12 l;
• the presence of a crane in the kit - yes.

An important role is played by a mineralizer, which adds chemical elements to the water that a person needs. Depending on the pressure in the system and the purity of the water, the storage tank will be filled in about 1-1.5 hours.

Among the shortcomings, the following points stand out: it is necessary to remember about the timely replacement of filters - it is best to make a table with replacement dates and place it on the device case; the price of cartridges is quite high; complexity of installation.

Atoll A-550m STD is a suitable option for both apartments and private houses. With this device, you will always have clean water rich in essential minerals.

Place No. 2 - Geyser Prestige PM

The products of this manufacturer are really trusted, and numerous reviews on various sites also speak of the quality and unpretentiousness of the device, which took the fifth step in our rating.

Characteristics:

• the number of cleaning stages - 5;
• cleaning type - sorption (additionally softens water, mineralizes, deferrizes);
• chlorine removal - yes;
• productivity - 0.14 l / min;
• storage tank volume - 12 l;
• the presence of a crane in the kit - yes.

This device is ideal if the water clearly requires cleaning. The 5-stage system will handle even heavily polluted water. The model has no particular drawbacks. You can focus on the fact that the system is quite cumbersome. Inconvenience is caused by connecting pipes, the length of which was made by the manufacturer with a "margin".

It can work without a pump, but if the water supply system is weak, then you should immediately purchase such an auxiliary device. This feature applies to all reverse osmosis filters. It is quite simple to install, as well as to replace filter elements.

Place No. 1 - IKAR water purification system

The best filter for water under the sink is the IKAR filter. The highest degree of water purification in conjunction with the IKAR module, which ionizes water, giving it a negative ORP (redox potential) and mineralizing it in portions using the injection method.

This method of mineralization is superior in quality to all other purified water mineralizers. That is, the outlet water is not only purified, but also alive. The features of living water were studied back in the 70s of our century, and the most authoritative scientists around the world do not stop writing about its beneficial properties.

Official dealer and service center of R&D center "IKAR" -. This is the largest supplier that provides a full turnkey service - free delivery in Russia (as well as worldwide delivery); installation and maintenance services. An individual discount system will be a pleasant bonus.

The water after the ICAR filter becomes a powerful antioxidant - it fights free radicals, stimulates the immune system and cleanses the body. This water is good for everyone, without exception. Technologies of R&D Center "IKAR" have been awarded several prestigious international awards in Belgium and Switzerland. Water after the IKAR purification system is recognized as water of the highest category.

Characteristics:

• water purification steps - 5;
• cleaning type - premium reverse osmosis;
• cleaning from viruses and bacteria - yes;
• cleaning from chlorine and any other types of pollution - yes;
• passes only a water molecule through itself;
• resource - 1,000,000 liters;
• gives water a negative redox potential (ORP);
• storage tank volume - 10 l;
• availability of a tap of clean water - yes;
• supplied together with the mineral supplement "Severyanka +" No. 4 (contains Ca2 +, Mg2 + and iodine);
• the ability to connect a pH reactor to adjust the pH of the water.

Filters must be changed once every 6-12 months, they are sold in any filter store. The IKAR system belongs to the category of economical ones - the prime cost of the highest quality water, taking into account the cost of buying a filter, is 2 rubles. per liter.

How to choose the right filter?

Since it is not easy to choose a modern water filter for washing, you have to listen to the proven recommendations of specialists and experienced users.

The following factors should be considered before purchasing:

• consumed amount of clean water by residents of an apartment / house;
• water quality;
• availability of the right space under the sink.

These factors are important because the choice of the right model will depend on them. On average, one person consumes up to 3 liters of water, in pure form and as part of food and drinks. Accordingly, it is necessary to calculate the filter performance for the needs of the family.

Since only reverse osmosis options can boast of the best indicators of water purity, first of all they should be considered. If their productivity is not enough, then you need to stop at flow models. It is reasonable to supplement them with softeners and iron-removing cartridges.

Clean water at any time is what filters are needed for. Modern replacement of filter elements will allow you to get safe water in your home

You also need to pay attention to the condition of the water supplied from the water supply. If it is too hard, then you need a filter with a water softening function.

If the water supply system includes lines from old cast iron pipes, then the incoming water will be with inclusions of large mechanical particles. It is not enough to clean such water from contamination; it is also necessary to remove the excess amount of iron from its composition. Why should you opt for iron removal filters?

If the water supply system in the house is autonomous and it already has a filter at the entrance to the house, for example, bottom or preliminary cleaning, then the simplest flow filters will do. You just have to focus on the productivity of technology.

Subtleties of installation and operation

In order for the purchased filter to serve as long as possible, it is necessary to install it correctly. Companies selling such devices often offer free shipping and installation by specialized professionals. This is an important argument in favor of buying equipment from such companies.

If you have plumbing skills and tools, then you can do the installation yourself. An important step in using a filter is preparing it for use. So that when you turn it on for the first time, there are no unnecessary odors and turbidity, you need to let the water rinse the structural elements for the time specified in the instructions.

Also, do not forget about replacing cartridges and membranes - these are the main elements that help to get the most drinkable water.

Conclusions and useful video on the topic

This video will help you to correctly identify the main differences and advantages of flow and reverse osmosis filters:

In the next video we will talk about reverse osmosis systems. Here are the specific results of measurements of the main indicators of water:

In conclusion of the article, it should be noted that both categories of filters allow obtaining water of the required purity. It will be possible to find suitable equipment for any water supply system, regardless of the budget.

The accuracy of the selection will be significantly affected by the preliminary analysis of the tap water. This will make it possible to understand how hard the water is, which trace elements are in excess, and which minerals are in short supply.

Do you want to tell us about which filter you chose and installed in the water supply system for the preparation of drinking water? Do you have any useful information on the topic that might be useful to your site visitors? Please write comments in the block under the text of the article, post a photo and ask questions.

Why clean water at all?

Municipal water supply (vodokanal) purifies water as follows. Water is taken from a reservoir or well, and then a coagulant is added to it - a substance that collects small particles of impurities into large flakes. Then mechanical filtration is carried out, which removes these flakes from the water. Next comes the bactericidal treatment - chlorination.

The resulting water meets sanitary standards. This means it is non-toxic and non-hazardous in the short term. That is, the MPC (maximum permissible concentration) of harmful substances in such water are NOT exceeded. Yes, there MAY be substances there, but in quantities allowed by the standard. To make it completely clear: such water can be drunk without the risk of dying immediately after drinking. But such water can contain chlorine residues, pesticides and other organic matter. After passing through the pipes, the water collects colloidal iron, rust and heavy metal ions. All this can be a part of both black and non-ferrous alloys, from which pipes, taps, fittings and other plumbing fixtures are made. It will not hurt right away, but in the long run, the use of such water will definitely affect your health. Therefore, additional purification of water is an important and necessary matter. Especially if there are children in the house (my wife and I are planning to have one soon).

Practice

To find out how the filters of different manufacturers differ from each other, and which filter cleans how, my colleague and I conducted a small "investigative" experiment. You can repeat it even at home with the filter you have at home. True, you have to spend a little money to buy reagents - there are sites that sell equipment and materials for chemistry lessons, you will find everything there. In this regard, I was lucky with the work - it turned out to agree with the laboratory and get reagents there.

Which jug is better?

I used pitcher filters all those years that I wandered around in rented apartments. To be honest, I never really saw the difference between filter jugs of different brands and did not even think that it actually exists: they all cost the same plus or minus and look the same plus or minus. I always chose based on the price tag, volume and color of the cap. Therefore, on the test high hopes get different results was not.

For the experiment, we chose the three most popular, judging by the reviews on the Internet, filters: Aquaphor Provence with the A5 module (the price of the cartridge is 240 rubles), the Barrier with the Standard 4 module (the price of the cartridge is 210 rubles) and Brita Marella "With the" Makstr Universal "module (cartridge price 350 rubles).

Everything is fair: completely new filters were tested. For each, just in case, a spare cartridge was purchased.

Before the tests, the cartridge of each jug was washed with about a liter of water - according to the instructions, this is the only way they give out their full cleaning power, otherwise the experiment will not be indicative.

The first step was to check how the jugs deal with pesticides, toxins and other organic matter. The question is important because, as mentioned above, the water utility does not remove most organic pollutants from the water.

The presence of pesticides, toxins, organics and organochlorine in water cannot be determined with the naked eye and taste. Therefore, in our experiment, their role was played by the dye "Methylene blue", which, even at a low concentration (10-50 μg / L), stains water into a radical blue color... In GOST 4453-74, this dye is used to determine the sorption capacity of activated carbon, that is, the ability of coal to bind organic mattercontained in water. It is important for us that methylene blue, firstly, is similar in chemical structure to pesticides and toxins, and secondly, even in low concentrations it is perfectly visible without any devices.

The dye is sold in pet stores - it is used to disinfect aquariums, and costs less than 50 rubles per bottle. If you want to test your home filter in the same way as we did, here is the simplest and cheap way.

So, we dissolved the contents of the vial (50 ml) in 6 L of water and got a solution with a concentration of approximately 50 mg / L. The resulting dark blue liquid was passed through filters. The results were evaluated visually as follows: if the water is completely transparent, the filter copes well with organic pollutants. If the outlet water is blue or blue, this filter would also let pesticides through, respectively. The darker the blue, the lower the cleaning percentage.

From the photo you can judge for yourself: the cleaning is close to 100% - only at Aquaphor. He was the only one who gave out visually clear water. "Barrier" and "Brita" have 80-85% interest each, which, by the way, is more expensive than the rest of the participants combined.

Then we rinsed the jugs with water to remove the “blue” and immediately began testing the effectiveness of the same cartridges in the fight against rusty water. For clarity, we used a suspension of iron (III) hydroxide at a concentration of 100 mg / L (for iron). The resulting solution has more than three hundred times the maximum permissible concentration of iron in water.

In this experiment "Brita" stood out: water passed through the filter one and a half times faster than through "Aquaphor" and "Barrier". For the average user, such a high "cleaning" speed is a big plus. Just typed - and you can already drink. But, as it became clear from the experiment, fast does not always mean good!

The results were also evaluated visually. According to the results of the rust test, Aquaphor again became the "winner" - it gave completely transparent water at the exit, that is, it filtered out almost 100% of the suspension. The second place belongs to "Barrier" "(~ 85%), and the worst of all the rust from the water was removed by the most expensive participant in our experiments -" Brita "(~ 80%).

These results are visible even without any concentration measurements - the water just looks completely different. We were surprised by such different results for filters that were similar (seemingly) in design and principle of operation. As I said, initially I used to think that they all work the same way. To find out the reason for such strong differences in the efficiency of water purification, we decided to open the cartridges and study the sorbent. Maybe Aquaphor has more of it, or does it have a fundamentally different composition?

We cut up the test cartridges and examined the contents. The inner world of "Barrier" and "Brita" turned out to be identical. Black granules - activated carbon, gray granules - ion exchange resin. Brita has smaller granules - hence the high speed and low quality of mechanical filtration. Despite the fact that the filter is the most expensive, it contains the least sorbent.

Against the background of the "Barrier" and "Brita" scattered in a shapeless heap, the sorbent from the "Aquaphor" cartridge is kept vigorous. The granules of charcoal and resin in this filter retained the shape of an Easter cake, and the granules are two times smaller than those of "Brita" and "Barrier".

As a single composite, these granules hold thin yellow fibers. Something like soil in a pot with a plant - if you have ever transplanted flowers, you have seen how the plexus of thin roots holds the soil.

Fibers, as it turned out, are a special material of Aqualen-2. The manufacturer's website says that this is a unique proprietary development of the Research Institute "Aquaphor" - a special fiber, which (hereinafter the quote from the site) "Selectively absorbs heavy metal ions and allows retaining silver ions in the active ionic form in the sorbent, and also retains sorbent granules, preventing the formation of channels through which water passes without purification."

The diagram above (also taken from the Aquaphor website) shows how the sorbent works in different filters. In conventional cartridges, where activated carbon and resin are packed in a random pile, water forms channels between the granules and passes through them very quickly with little or no cleaning. Aqualen-2 fights against the “channel effect” and allows the use of a smaller sorbent. The "root system" in the "Aquaphor" cartridge distributes water over a large area, so that the sorbent has time to retain more pollutants. Clear water in a jug is a direct confirmation of this.

The photo of the disassembled cartridge shows that the blue dye solution did not pass even a third of the sorbent block, while the “Barrier” and “Brita” sorbent was colored entirely, and part of the methylene blue was passed into the container for purified water.

Why do other manufacturers not even try to do something similar, but use the old technology of filling the sorbent in a shapeless heap? In search of additions to the experiment, I searched the Internet again. The Brita jugs have an interesting design, very beautiful creative advertising. No intelligible information could be found on the content of the filters. Coal and ion exchange resins are classics that have not changed for over 30 years. "Barrier" clearly shows the cartridge in section, but the experiment says that there are also questions about the effectiveness of such a design. "Aquaphor" is not stingy and invests in development. They did not even expect to find a Russian manufacturer's own research institute and investments in know-how worth millions of dollars.

Why, besides Aquaphor, few people bother with the development of technologies - one can only guess. First, it is difficult and expensive. Secondly, it is also a thankless task. With more or less normal tap water, the presence of contamination in it with the naked eye cannot be seen - the solutions of most toxins and pesticides are actually colorless, and not blue, like the dye in our experiment. Rust in such a strong concentration occurs only in accidents or in "morning discharges". No ordinary filter buyer will conduct stress tests like ours. That is, a normal person, like my mother, does not know about the existence of any differences in the quality of cleaning between "Brita" and "Aquaphor" in life. And in the store on the shelf, all filters are generally the same, and people choose the caps by price, volume and color. So why should manufacturers spend money on development - is it logical?
However, enough of the lyrics - let's continue comparing filters.

In general, stationary filters, although more expensive, are better (at least for Russian realities). Readers who have their own home or rather accommodating landlords are definitely advised to spend money and install a stationary filter, and not expect to get by with a jug. But which sink filter should you choose?

You will hardly be able to compare stationary filters at home: firstly, it is expensive to buy several different filters, and secondly, it is also quite difficult to mount them.

In order not to waste time installing filters under the sink, right in the laboratory we built a clever "simulation" of the water supply system. An electric pump pumps water at a pressure of about 3.5 atmospheres from a large container with untreated water to two filters at once. Filtered water is collected in two smaller glass containers.

The participants in the new comparison were two filters that claim to remove 100% of bacteria from the water. In the case of microbiological contamination, half-measures are unacceptable: either the filter removes 100% of all bacteria, or it is 100% ineffective. The thing is that, unlike pesticides, toxins, rust, hardness salts and other pollutants, living organisms multiply. So even if the filter leaves 0.01% of bacteria in the water, after some time this negligible amount of microorganisms will multiply to a volume of 100%.

So, filters with a "bactericidal" function: in the left corner of the ring "Aquaphor Crystal Eco" with a K7B cartridge (4,950 rubles), in the right corner of the ring there was a Geyser with an "Aragon-2" cartridge (4,790 rubles).

…………………. THE FURTHER TEXT WAS CHANGED AFTER THE POST PUBLICATION …………………

I was forced to change the original text of my post at the request of an employee of the Geyser company.

The comparison gave extremely interesting results and conclusions, collected many comments, questions and clarifications in a personal (thanks for your interest!).
But two weeks later, a representative of the Geyser brand came to me in a personal message and accused me of bias and unfairness of conclusions. And after some discussions, I was ultimately demanded to remove the description of the test results of their filter from my post, threatening otherwise to put pressure on legally and to have the entire post removed. In general, the situation turned out to be ugly.

In PM I asked the representative a simple question:
How does Geyser with an Aragon cartridge filter water from bacteria and viruses?

A) by mechanical filtration (just physically does not allow bacteria to pass through)? If so, why in my test, 1 micron particles (the same size for bacteria) pass through the filter?
b) or is it by chemical filtration? If so, what substance actively kills bacteria and viruses? After all, we look at point a) particles of 1 micron still seep through the filter - this was clearly shown by our test.

Unfortunately, after a long, several days, personal correspondence, I still did not receive answers to these questions from the Geyser representative.

But, in any case, I am deleting the results of our testing of the Geyser filter with the Aragon cartridge from the post - I do not want to provoke a conflict.

Nevertheless, I consider it necessary to note that the test results seemed to me (and to a large number of readers) worthy of interest. And so I will continue to understand the issue further. And I will think about how to convey unbiased information about the real efficiency of Geyser filters to interested consumers.

In the meantime, I suggest that you familiarize yourself with the second part of the results of our test - the results of the "Aquaphor" filter.

…………………. END OF THE CHANGED FRAGMENT OF THE ORIGINAL POST …………………

We did not dare to breed dangerous biological contamination, therefore, as a test system, we decided to use a suspension of hematite, a mineral whose particles are comparable in size to the size of bacteria (approximately 1 micron). A suspension of hematite at a concentration of 0.5 g per liter has a rich carrot color - if the filters do not cut off the particles, we will immediately see this - the water will be yellow.

"Aquaphor" with a K7B cartridge gave clear, clean water. Particles of hematite remained in the filter - the same fate would await bacteria.

The test report "Aquaphor" ECO is included in the device manual. According to the protocol, by using a hollow fiber membrane, the filter cuts out 100% of bacteria. The manufacturer's website indicates that the membrane retains the smallest particles as small as 0.1 microns.

findings

In the course of our tests, the Aquaphor filters turned out to be the most effective and interesting to study. The domestic manufacturer, quite unexpectedly for us, significantly bypassed rivals in the quality of water purification: in all tests, its filters produced clean, transparent water. As far as we understood the topic, the effect was achieved due to the company's own developments. For example, the patented Aqualen-2 fiber made the sorbent of the filter jug \u200b\u200ban order of magnitude more efficient and extended its service life.

The eminent European brand "Brita" was genuinely disappointed: it turned out that in the case of filters of this brand, the overpayment goes solely for the European origin and the well-known name. The Germans even managed to save money on cartridge filler, which is why their jug \u200b\u200bshowed the weakest results.
In my kitchen, I eventually installed Aquaphor Crystal ECO. And I took Aquaphor Provence to my parents' dacha. Instead of Brita, which they had before ...

Pure water without impurities, enriched with minerals - the key to good health and longevity. In order for the purified and maximally useful water to always be in the house, it is recommended to install cleaning and filtering systems. Our ranking of the best water purifiers 2019 will help you make your choice.

Water filtration has been practiced since the dawn of the human era. One of the first methods of purification - carbon filtration - has survived to this day. The Russian market of cleaning equipment is rich in a selection of filters of different systems, cleaning levels, sizes and purposes. The main classification passes by type of cleaning:

• mechanical filters - multi-level cleaning systems that are used to protect plumbing and household appliances from scale and dirt.
• ion exchange filters - systems for softening water hardness based on ion exchange resins. They filter not only iron, but also manganese, which most other systems cannot cope with.
• reverse osmosis filters are the most environmentally friendly and most efficient systems... They cope with the removal of all impurities and bacteria, before leaving, they additionally mineralize the water (optional).
• biological filters - the system works on the basis of microorganisms that purify water from organic contaminants. It is used in aquariums and wastewater treatment plants.
• absorbent filters - the main cleaning component is absorbents that trap impurities (sorption process).
• aeration filters - water is purified with oxygen in special tanks.
• electric filters - purify water with ozone from all oxidized and dissolved organic and inorganic contaminants, however, they are very uneconomical in energy consumption.
• jug-type filters - the structure consists of a tank for untreated water, a tank for purified water and a carbon filter.
• cartridge filters - the design consists of several flasks, inside of which there is a filtering filler for each type of impurity.

Choosing a water filter

The most important parameter for choosing a cleaning system is degree of water purification... Allocate:

• one-stage cleaning level (elementary) - it includes jug-type filters. Only coarse dirt is cleaned;
• two- and three-stage cleaning level (medium degree) - filters large and thin contaminants;
• three-, four- and five-stage level of cleaning (high degree of purification) - filters from all types of contaminants.

After you decide on the degree of cleaning, you should choose filter installation type:

• a filter with a tap connection - a special tap attachment that connects directly to the mixer outlet, with a capacity of only 0.3-0.5 l / min;
• filter with connection to the sink - the system "on the sink", installed near the sink or at the sink, connected to the tap mixer with a flexible hose, average productivity - 1-1.5 l / min;
• a filter with a stationary connection under the sink - the "under the sink" system, according to users, is one of the best water purification systems, installed under the sink, directly connected to the water supply system, has a second tap for purified water;
• tabletop dispenser filter - in terms of the quality of water purification it is not inferior to the filter "for washing", does not connect to the water supply system, is easy to maintain and fits harmoniously into the interior.

TOP-3 filters built in under the sink

3rd place - Aquaphor Crystal Eco H (from 3 950 rubles)

Aquaphor Crystal Eco H is a budget family option with very high performance. Compact unit, four-stage cleaning system, withstands inlet temperatures up to + 45 ° C.

Specifications:

• Dimensions: 260 × 350 × 90mm
• Cleaning stages: 4
• Purification: ultrafiltration, coal
• Filter resource: 8000 l
• Productivity: 2.5 l / min
• Inlet water temperature: + 5 + 45 ° С
• Porosity: 0.1 μm

Extra options:

• water softening and chlorine removal;
• works on cold water;
• filtration module included;
• separate tap.

Pros:

• filters water efficiently, removing harmful salts and chlorine;
• the outlet is delicious water without taste and smell;
• the filter is easy to install;
• easy to use - just open the tap;
• compact, fits under small sinks;
• filters are installed and replaced quickly;
• good water pressure;
• free maintenance and quality warranty service.

Minuses:

• absent: a pump for increasing pressure, a storage tank, a calendar for replacing the filtration module;
• expensive replaceable filters;
• after more than six months of use, the system begins to wear out;
• long regeneration procedure;
• unreliable connecting hoses connecting the filter to the mixer;
• poor quality equipment.

2nd place - New Water Praktic Osmos Stream OUD600 (from 17 800 rubles)

New Praktic Osmos Stream OUD600 Water is a six-stage multifunctional filter with an osmosis-coal cleaning system, a pressure boosting pump and auto-cleaning. Withstands consistently heavy loads, users note the high build quality and all components.

Specifications:

• Type: cleaning system "under the sink"
• Cleaning steps: 6
• Filter resource: 50,000 l
• Productivity: 1.25 l / min
• Inlet water temperature: +2 + 35 ° С
• Porosity: 1 μm

Extra options:

• mineralization of water, deferrization, softening and purification from free chlorine;
• works on cold water;
• connection to the water supply;
• pump for increasing pressure;
• inlet pressure - 3-11 atmospheres;
• separate tap.

Pros:

• multi-stage filtration;
• filter replacement once a year;
• compact system;
• perfectly cleans water;
• works silently;
• electronic type of system control;
• high water pressure due to the pump to increase the pressure;
• copes with the task at any water pressure;
• pressure drop protection system;
• auto rinse is activated after each use, keeping the system clean;
• undemanding to service;
• high-quality assembly and durability;
• self-diagnosis function.

Minuses:

• high price.

1st place Atoll A-575m STD (from 9 600 rubles)

Atoll A-575m STD - this purification system received leadership in the TOP-3 for high quality and affordable price. The set includes a storage tank with a volume of 12 liters.

Specifications:

• Type: cleaning system "under the sink"
• Dimensions: 430 × 420 × 150mm
• Cleaning steps: 5
• Purification: reverse osmosis, coal purification
• Storage tank: 12 l
• Productivity: 0.135 l / min
• Inlet water temperature: + 4 + 38 ° С
• Porosity: 1 μm

Extra options:

• mineralization, removal of metals from water, softening and purification from chlorine;
• works on cold water;
• automatic membrane flushing;
• lED backlighting of indicators;
• connection to the water supply;
• pump for increasing pressure;
• inlet pressure - 2.8-6 atmospheres;
• filtration module included;
• separate tap.

Pros:

• storage tank system;
• the outlet water is clean, without limescale under stable daily loads;
• high quality assembly and materials of the body and parts;
• value for money.

Minuses:

• absent: pump to increase pressure;
• high cost of filters and consumables.

TOP-3 desktop dispenser filters

3rd place - Source Bio ER-5G (from 3 700 rubles.)

Bio ER-5G is a compact budget five-stage filter. At the exit, water is pure, clear and tasty. Suitable for a small family.

Specifications:

• Type: Desktop Dispenser
• Cleaning steps: 5
• Cleaning: coal cleaning
• Storage tank: 5 l
• Porosity: 0.3 μm

Extra options:

• mineralization, deferrization of water, softening, purification from chlorine;
• works on cold water;
• does not connect to the water supply;
• filter module included;
• separate tap;
• transparent body.

Pros:

• filters efficiently and is easy to clean;
• strong and robust design, ease of use (children use without problems).

Minuses:

• absent: a pump for increasing pressure, a calendar for replacing the filtration module;
• low filtration rate;
• expensive components.

2nd place - Coolmart CM-101 Redox (from 9 300 rubles)

This model is designed for large volumes of water and constant load. Works on five-stage carbon-magnesium filters, the filters themselves serve for a long time, purifying water from harmful substances and organisms, enriching the water at the outlet with minerals.

easy to install, maintain and replace filters;

large volume of the flask (suitable for both a large family and an office);

thanks to its low weight, it moves without problems.

Minuses:

• expensive additional equipment and consumables;
• over time, the system begins to malfunction, sediment appears at the bottom, filtration properties deteriorate.

1st place - Keosan KS-971 (from 6 900 rubles)

Six levels of cleaning, carbon-magnesium filters, a 12-liter storage tank, cool and tasty water at the outlet - all this is the leader in the rating of Keosan KS-971 dispenser desktop filters.

Minuses:

• absent: pump to increase the pressure in the system;
• large size (not suitable for a small kitchen).

Let's sum up

If you need a stationary system, then “under the sink” filters are the most suitable option for you; if you are looking for a compact source of clean water that is independent of the water supply system (for example, for an office), you should pay attention to dispenser table filters. The more polluted, with high hardness in your area, the more filtration levels are needed to purify it (systems with 5-6 levels of purification); for water of medium pollution and hardness, a three to four-stage filtration system will suffice.

Updated: August 2019

Unfortunately, it is strictly forbidden to drink water from a water supply system in our time. This is due to its increased level of pollution. The liquid contains an overwhelming amount of harmful substances, suspensions and chemical compounds that can harm the human body. For this reason, many people have long acquired water filters at home and in their offices.

They are different types... All of them are designed to eliminate and purify water from everything bad and harmful. This cleaning is extremely important for people suffering from kidney disease. Today the most the best systems cleaning are filters under the sink. How to choose the best water filter for washing, what to look for and what models are, about this in more detail.

The best filters for water purification of 2019

This rating presents models of the best water filters. It is based on the opinions of consumers, their feedback and the manufacturers themselves. Before deciding which one is better, it is recommended that you first familiarize yourself with each filter separately.

OMOIKIRI PureDrop 1.0

Such a system is designed to eliminate and neutralize all harmful substances and hazardous compounds in running water. It will be easy and simple with it, since it is quite simple to operate. Due to its compact shape and size, it will easily fit into any sink. It is compact, so it does not take up unnecessary usable space. Its equipment consists of 3 replaceable modules. All of them are easy to change and do not require additional tools. Thanks to this, cleaning is carried out with the highest quality indicator:

• A special membrane created by innovative technologies in Japan. This allows neutralization at the bacterial level. Such water can be drunk without a threat to health, without the risk of various allergic reactions.
• Thanks to the unique thread, it is possible to eliminate all organic and mechanical suspensions, as well as to protect against the effects of heavy metals.
• All pathogenic microorganisms die under the influence of silver ions.

Pros:

• deep cleaning water;
• relatively small dimensions;
• very easy to install.

Minuses:

• a crane is not included in the package.

Atoll A-550 MAX

The system is an excellent assistant in the kitchen, it is very indispensable due to its functionality. It is designed to suppress and eliminate almost all pollution of any origin. An additional bonus is the enrichment of water with oxygen during the purification process. Such a system is a very modern solution and the most suitable due to its versatility, practicality, functionality and environmental friendliness. Equipped with a small 12 liter tank for a supply of clean water. This volume may well satisfy the needs of a large family or office workers at work. The main advantage of such an installation is complete cleaning, which completely eliminates the presence of scale on the kettle. The only drawback is the lack of a tap for drinking water. You will have to purchase it separately.

Pros:

• a very powerful cleaning system is installed;
• works without the use of chemicals;
• the presence of a large tank for storing purified water;
• the liquid is enriched with oxygen during cleaning;
• affordable price in service.

Minuses:

• the purchase of a tap for drinking water is required.

Geyser ECO

Differs in high performance in comparison with other models. Due to its size, it does not take up much space, which is an added bonus. For the same reason, it is easy to install and replace the cartridge. Possesses affordable price... It copes well with chlorine, petroleum products, other toxic and harmful substances.

The particular merit of this design is its high performance and relatively low cost. This is a completely improved model that carries out mechanical and sorption purification of running water. In addition to purification, water is enriched at the ionic level. And the filter itself rarely needs to be replaced.

Pros:

• very easy to use due to its small size. Fits perfectly even under a very small sink;
• does an excellent job of cleaning running water;
• replacement of the cartridge is made only after 5 tons of water;
• easy to install.

Minuses:

• not found.

Aquaphor OSMO 50 version 5

It copes well with softening running water and removing cloudiness. When creating the structure, a built-in special semi-permeable membrane was used. Its suction includes special coal modules. They cope with the elimination of harmful impurities and substances hazardous to health. These include chlorine, pesticides, rust, sand, heavy metals, nitrates. After such cleaning, the taste of the water completely changes. She becomes pleasant and helpful. Experts recommend using it for preparing baby food. The unit is equipped with a 10 liter storage tank and a carbon post-filter.

Its use is designed only for cold water, the temperature of which should not exceed 30 degrees. Such an installation will easily fit into any sink due to its small size. It has its own separate tap, from which already purified water flows out at a rate of 1.3 liters of water per minute. There are only 4 degrees of purification:

• rough;
• average;
• thin;
• cleansing from various kinds of harmful chemicals and compounds.

Pros:

• easy installation. All that is required is to connect it to the water supply system;
• the output is very high quality water;
• high performance;
• small overall size and compactness.

Minuses:

• quite noisy work during the passage of water;
• relatively low filtration rate;
• not very convenient location of the crane, which you have to reach.

New Water ExpertOsmos MO530

This is one of the novelties for water purification today. It belongs to the number of premium installations, therefore it has a high pricing policy. Besides the high price, it has a high quality. It has the ability to eliminate almost all harmful substances and impurities that exist. Easily copes with water purification from harmful substances, whose size varies up to 5 microns. It very easily removes organic compounds, nitrates, pesticides and other harmful substances that can harm the human body.

The entire cleaning system is based on four cartridges working in one tandem. Which ones:

• Standard. His work is directed mechanical way cleaning. Water is purified from suspended matter and other harmful substances.
• Charcoal filter. It contains activated coconut charcoal.
• Reverse osmosis type of membrane. It is a high quality filter presented in other models. Country of origin Japan.
• Charcoal filter. Includes activated carbon in the form of special granules. It is additionally equipped with a mineral composition to enrich the water with important minerals and trace elements.

Each of the four filters is very important. They can last up to 3 years of continuous operation without the need to replace them with new ones.

Pros:

• has small overall dimensions, which is very convenient, since it does not take up much space;
• very high quality assembly;
• reliable and durable construction;
• the cartridges are durable in service.

Minuses:

• high price.

Geyser Prestige PM

It has an unusual design, which has a high pressure pump. The incoming water goes through three stages of purification. The first step is to pass water through the provided cartridge. It is made of polypropylene foam with multiple cells. They are designed to trap all insoluble particles that may be in the water. The water then penetrates into a special carbon block. It is made from activated coconut carbon.

Its purpose is to neutralize harmful substances that can harm the human body. These include chlorine, heavy metals, pesticides and others. This will improve not only the quality, but also the color, smell, and taste of water. The third stage of purification consists in passing water through a cartridge made of carbon extruded carbon. This is the final stage of cleaning, aimed at eliminating residues of chlorine and other harmful compounds and substances.

The package includes a storage tank with a volume of 12 liters. With its help, there will always be a small amount of purified water in stock. Additionally equipped with a mineralizer for recovery required level chemical composition.

Pros:

• perfectly cleans water, after which it has a very high quality;
• the package includes a spacious tank for water supply;
• durability and reliability of the filtration unit.

Minuses:

• due to a not very reliable filter cover, slight flooding is possible;
• filters are not very large, which affects their quick clogging;
• not very strong membrane body.

Barrier EXPERT Hard

It is one of the best cleaning options. The unit has high quality and fine cleaning in comparison with its competitors. During the design, modern technologies were used, which allow the installation to remain in the same place even under the influence of a strong water pressure. Additionally, the side of reliability and durability has been worked out. Ball extended service life and operation of replaceable filters. Thanks to the new technology, they will need to be changed at times less often. This installation is designed for tap water only.

All components are of high quality. The kit contains everything you need for installation. The maximum flow of passing water reaches up to 2 liters per minute. But these indicators can be reduced by a special tap located at the entrance. It should be borne in mind that the highest pressure should not exceed 7 atmospheres.

Pros:

• durability and service life of replaceable cartridges;
• a fairly simple way to replace cartridges;
• high-quality softening and cleansing;
• the output is high quality water with a pleasant taste and odorless.

Minuses:

• inconsistency of indicators of the resource of cartridges, which are declared by the manufacturer;
• not very reliable ball valve at the inlet to the filter unit.

Atoll A-550 STD

An excellent model made from good quality material. It has a robust case made of high quality plastic. Additionally, it is equipped with multiple stiffeners for added reliability. The water is ready to drink immediately after connecting this device. It will be completely purified, free of any unpleasant tastes and odors. The design is very neat, it has a ball valve that performs smooth and soft rotational movements.

The first stage of purification is carried out on the water intake. By its characteristics, the cartridge has sufficient rigidity and density. The second stage of cleaning is carried out through the coal segment. It is replaceable, so you can change it as soon as necessary. Moisture enters it through a special distributor. It is necessary for uniformity during admission. One cartridge is enough to purify 19 tons of water. This is a great way to get rid of chlorine. The third stage of cleaning is to prevent residues of chemical compounds and other harmful substances from entering the tap. During operation, it rarely deforms due to its rigid structure.

Pros:

• good and fast performance. Allows you to clean a large amount of water in a short period of time;
• having a standard shape, it has increased body strength;
• the ball valve is made of ceramic, which ensures long-term use due to the durability of the material.

Minuses:

• has a high price threshold;
• difficult to find in stores;
• has a large size. For this reason, it is not suitable for every sink.

Aquaphor Morion M

It belongs to the best models of water purification under the sink, working on the principle of reverse osmosis. Installation is possible not only under the sink itself, but also on it, as well as near it. Thanks to its stylish and modern design, it will not spoil the aesthetic appearance of the kitchen. Used in the manufacture new technology block-modular type of cartridges. The body is equipped with additional stiffening ribs, which enhances their strength and durability. The filter dimensions are quite compact due to the small built-in storage tank.

All cleaning systems operate under high pressure conditions. This model is capable of operating with a pressure of only a few atmospheres. In addition, this significantly saves water consumption. The storage tank has a compact size of 5 liters. In one minute, about 1.5-2 liters of purified water is discharged.

Pros:

• at the outlet, the consumer receives water with an average hardness;
• elimination of unpleasant tastes, odors and impurities;
• prevents the formation of limescale on the kettle.

Minuses:

• replaceable cartridges are expensive;
• works noisy when passing water;
• not very strong construction.

EXPERT Standard barrier

This model is considered to be one of the best produced according to the osmosis principle. Ideal for purifying tap water from various kinds of contaminants, mechanical and chemical substances that can harm the body and human health. Manufacturers have taken care of a multi-stage filtration system. This is a great alternative to clean moisture efficiently. This was confirmed by the introduction of this technology into other models of this segment.

The system is equipped with three main modules. At the first stage, there is a mechanical cleaning of various kinds of contaminants. These include rust, sand and other suspended matter. At the second stage of purification, the water is enriched at the ionic level. Chlorine, copper and lead are additionally eliminated. The third stage includes a system for cleaning harmful organic compounds and substances.

Installation is possible not only under the sink, but also near it, even from above. The main advantage is the complete set, which includes everything you need to install it. There is no additional purchase required. Very easy to use and connect. You can use it constantly. For full and high-quality work, you will need to drain the first portion of 10 liters of water. All cartridges are replaceable, so you will need to replace them on a regular basis.

Pros:

• easy to use;
• ease of use and ease of replacement of consumables;
• available price range for a filter of a given level;
• possesses stylish design, which will allow you to install it not only under the sink.

Minuses:

• it is important to pay special attention to the quality of the water during long-term use of replacement filters. At the first sign of contamination, it is necessary to replace them.
• Not in all cases copes with water hardness.

Aquaphor Crystal Eco

This model is very easy to install to the water supply system. The installation resembles that of a kitchen faucet. It should be noted that you need to be extremely careful when installing the connecting pipes. All of them must be correctly connected and in the right position. The filter cover must be removed without fail. For normal operation of the filter, it is necessary to pass a sufficient amount of water through it, which is not suitable for use. This manipulation is necessary for starting and normal operation of all filter elements.

This design belongs to the ionic purification system. It has small overall dimensions, which allows it to fit safely under the sink. Eliminates all types of mechanical and chemical contamination. At the request of the consumer, it is possible to install an additional module for water softening. But it is not included in the package, which means it will have to be purchased separately. The manufacturer's recommendation states that replacement cartridges require replacement on an annual basis. Special device to soften water requires even more frequent replacement. This method of the filtration unit is universal.

Pros:

• the kit includes standard modules (3 pcs.), but it is possible to install additional modules;
• the structure body is made of plastic, additionally equipped with stiffeners;
• ease of use and installation.

Minuses:

• you need to carefully monitor the quality of the water and the degree of contamination of the cartridge, since the taste and quality of the water can change;
• as the filters become clogged, the rate of output of purified water decreases;
• closely monitor the state of the locking mechanism in the crane. Otherwise, the sink may deteriorate.

Geyser Nanotech

This model is one of the best reverse osmosis units designed to be installed under the sink. It has a very spacious, but large enough barrel for the accumulation of purified water. Its volume is 20 liters. As a result, it takes up too much space under the sink. The whole filtration process goes through five stages of cleaning. The installation is connected directly to the water supply. Effectively copes with rigidity, eliminates harmful substances, impurities, chlorine, sand, heavy metals, pesticides, and other harmful and organic compounds.

Distinctive feature this model is its smart system. With its help, all harmful elements are retained in the filter, passing through all important and useful minerals and trace elements. The most important thing is to closely monitor replaceable cartridges and replace them in time. Thanks to this manipulation, it will be possible to obtain always clean water of high quality, devoid of all harmful impurities and elements that can have a negative effect on the human body. In one minute, it is possible to obtain 1.5 liters of purified water. This amount is quite enough for cooking in the kitchen.

Pros:

• perfectly copes with the hardness of water, after which it does not include any harmful substances and various impurities;
• high build quality that provides protection against leaks and other troubles;
• easy to operate and install.

Minuses:

• will not do without the additional purchase of a monometer in order to control the water pressure. This is due to the fact that at a pressure below 3 atmospheres, the installation will not be able to exercise its direct functional capabilities;
• high price range;
• it is quite difficult to find replacement cartridges.

When choosing a really good water filter, it is important to consider all the pros and cons, advantages and disadvantages. Reverse osmosis filtration systems designed for installation under the sink are a real discovery and a serious assistant in the kitchen. This is a great way to get high quality drinking water in your own kitchen. The system is distinguished by its versatility, durability, good quality and protection of the body from harmful substances, impurities and organic compounds.

Numerous positive reviews testify to the high quality of the filters. The top rating of the best models will also help in this. But before buying a particular model, it is important to determine the type of tap water, its quality and hardness. This will allow you to choose the right filtration unit, which will not only last a long time, but also satisfy all the needs of the user.

Despite the high quality materials of which the structure is made, the condition of the installation must be carefully monitored. All replaceable filters are subject to regular replacement. Failure to do so may result in contaminated outlet water being supplied, as evidenced by its smell and taste.

The right to choose one brand or another remains with the consumer. It will be based on positive and negative reviews, advantages and disadvantages, price range of the model. Particular attention should be paid to dimensions. If the filter has small size, it can be placed under any sink. When large sizes structures, more area will be required for location.