TOP 5 flow water filters for home
We independently test the products and technologies that we recommend.

We have already told you about filters for water purification, functioning on the basis of an osmosis membrane. Such filters have a high degree of water purification, but they are quite expensive. We have prepared an overview of the five models that will allow you to get purified tap water and at the same time will not cause tangible harm to the family low-cost.
You can quickly evaluate the differences between the selected models in the summary table. In case you want to find out what alternatives the presented options have, you can get acquainted with the full catalog of water filters.
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Universal application, compactness, low price.
The resource counter is missing.
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Aquaphor Topaz is an extremely compact model from a well-known manufacturer of solutions for water purification. Stylish design and small dimensions make the device an excellent choice for small kitchens. This model belongs to the type of nozzles for a water tap and is installed directly on its spout from the outside. Water filtration begins immediately when the tap is opened. The performance of such filters is low and comparable to models with reverse osmosis. The cleaning speed of this model is 0.3 L/min. The life of the nozzles is usually higher than that of filter jugs — in particular, Aquaphor Topaz has 750 liters. One of the significant disadvantages of the nozzles on the tap is that the filter must be constantly connected and disconnected, which eventually leads to rapid wear of the attachment. However, in this model, this drawback was eliminated due to the presence of a special valve that enables and disables water filtration. In addition, this design, taking into account the small size, allows you to take the filter with you on trips. The filter is therefore also suitable for dachas and for rented apartments. Aquaphor Topaz, like most of the nozzles on the tap, is based on a single-stage filter. Despite the simplicity of the design, the model allows you to purify water from active chlorine, pesticides, petroleum products, organic impurities and heavy metal ions. A notable feature of Aquaphor Topaz is a special calendar cover that allows you to track the replacement time of the filter cartridge. By turning the switches, the date after which the cartridge needs to be replaced is set. But the model is not equipped with a resource metre – this makes it impossible to determine how much filtered water one person consumes. Replacement modules of the same name act as a cartridge for Aquaphor Topaz. |
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Two stages of cleaning, a good resource, low price.
The plastic divertor requires careful handling.
Price from 1 049 up to 1 407 ₴
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Aquafilter FHCTF Price from 1 049 up to 1 407 ₴ → Like the previous review model, the Aquafilter FHCTF1 is attached directly to the water tap. However, this is no longer a nozzle on the tap, but a separate device that is installed on a table or other surface. Hence the name of this type of filters – desktop. Such models, unlike the nozzles on the crane, are not designed for transportation and are installed in one place for permanent use. However, the performance and resource of desktop filters are usually significantly higher. The Aquafilter FHCTF1 is connected to the tap using a flexible hose and a special Aquafilter FXFVP diverter adapter. It has a plastic housing with chrome plating and allows you to switch water between purified and simple tap water. The device, like most desktop filters, is equipped with its own tap for the convenience of draining filtered water. The Aquafilter FHCTF1 resource is quite high and amounts to 3000 liters. The recommended filtration rate of the device is 1-2 L/min, and the maximum reaches 4 L/min. The working pressure of the model is 6 atmospheres, and the maximum temperature of the treated water should not exceed 45 °C. Aquafilter FHCTF1 has dimensions of 33x13x13 cm with a weight of about 1.5 kg. This model performs two-stage filtration of water, purifying it from active chlorine, pesticides, organic impurities, colloidal iron and heavy metal ions. The first stage is a mechanical cleaning cartridge FXO-80L made of metal mesh. It traps large particles of mechanical impurities (over 80 microns in size), such as sand, rust and others. The second stage of filtration consists of a combined FCCA-STO cartridge made of activated carbon and polypropylene. It allows you to filter out mechanical impurities up to 5 microns, and also removes chlorine, organochlorine compounds, phenol, pesticides, colloidal impurities, large molecules of organic substances. In addition, after filtration, the taste and smell of water improve. |
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Three stages of cleaning, good resource, east european manufacturer (easy to find cartridges).
No significant drawbacks have been identified.
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The next person involved in the review is a model of east european production Nasha Voda Rodnikovaja Voda 3. This filter is designed to be installed under the sink and is connected directly to the water supply. Its installation requires tapping into the water supply system, so in this case you can not do without a specialist. At the same time, a separate tap is brought out to supply purified water. The physical dimensions of the filter are 35x15x45 cm. The models installed by the sink have high productivity, as well as a good level of filtration, and are able to provide the family with purified water for both drinking and cooking. Nasha Voda Rodnikovaja Voda 3 has three filtration stages, purifying water from active chlorine, etc.The model uses EcomixD technology, developed taking into account the characteristics of water in different regions and is a mixture of highly effective sorbents of natural and synthetic origin. Activated carbon removes colloidal impurities and large molecules of organic substances, and also purifies water from chlorine and chlorination by-products. Ion-exchange resin reduces the mineralization and hardness of water, preventing the formation of scale, and removes heavy and non-ferrous metal ions. Polymer porous sorbent cleans the liquid from iron, rust, harmful organic substances of natural origin, phenols and petroleum products. And nanoparticles of silver NanoAg+ disinfect water, preventing the development of microorganisms inside the cartridge. The filtration rate of Nasha Voda Rodnikovaja Voda 3 is 1 L/min., and the filter resource is 1.5K liters. Replacement cartridges No. 4 are used as consumables in the filter. The operating pressure of the model is in the range from 2 to 5 atmospheres, the maximum operating temperature is 30 °C. |
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Three stages of purification, good resource, high degree of filtration, east european manufacturer.
Finding replacement cartridges is not as easy as for Nasha Voda systems.
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Another east european development is the Ecosoft EcoFiber water filter. Like the previous model, this device is designed to be placed under the sink and directly connected to the water supply system. Ecosoft EcoFiber cleans water from active chlorine, petroleum products, organic impurities, colloidal iron and heavy metal ions, and according to the manufacturer will be an excellent and relatively inexpensive alternative to reverse osmosis systems. This model has a three-stage liquid filtration system. At the first level, a cartridge with a special Ecomix mixture works, which softens the water and reduces its mineralization level. At the second stage, the Ecomix D531 filler cartridge comes into play, removes iron and organic substances, and also corrects the taste, colour and smell of water. The filter allows you to cut off pollutants up to 1 µm in size. At the last, third stage, there is a cartridge with EcoFiber material, whose nanofibers do not just mechanically detain impurities, but firmly bind them due to the charge and their special surface. This makes it possible to protect the water that has already passed two stages of purification from bacteria and viruses, pathogenic microorganisms and toxic micro—impurities — antibiotics, pesticides, etc. A special silver additive helps to disinfect the water during the purification process. Like all filters mounted under the sink, Ecosoft EcoFiber has a separate tap for the supply of purified water. The filtration rate of the model is 1 L/min, the filter resource is 3000 liters. EcoFiber cartridges are used as replacement filters. The model operates in the pressure range from 1.5 to 5 atmospheres at a maximum water temperature of 38 °C. |
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High performance, long service life, compact and reliable steel housing, quick cartridge replacement.
One stage of filtration, high price.
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Like the two previous devices, the model from the manufacturer Gejzer is connected directly to the water supply and provides installation under the sink. The ECO is the most performant filter of our review – its filtration rate is 3.6 L/min. The resource of the model is also impressive – 12K liters, which, taking into account the high speed of purification, will provide even a large family with drinking water. The device is designed for regions with low and medium levels of water mineralization. Gejzer Eco has only one filtration stage – the Aragon 3 ECO composite cartridge is used for cleaning. It consists of a pre-filter, "Aragon" material and high-quality coconut charcoal. The model makes it possible to purify water from active chlorine, pesticides, petroleum products, organic impurities and heavy metal ions, while normalizing water hardness. This model allows you to cut off pollutants up to 2 microns in size. The maximum working pressure of the filter is quite high – 8 atmospheres. And the maximum operating temperature is 40 °C. Gejzer Eco is quite compact and thanks to a specially designed design takes up less space under the sink, saving free space. Its dimensions are 23x17x17 cm .The case of the device is made of food—grade stainless steel — a unique solution among such systems. Aragon 3 ECO cartridges are used as replaceable filters in the model. A decrease in the pressure in the tap for clean water will tell about their wear and tear – so it's time to make a replacement. Thanks to the use of Fast Lock technology, changing the cartridge is simple and fast and does not require the involvement of a specialist. |
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