12 best filter systems under the sink

The quality of tap water is far from potable. Buying bottled water is expensive and requires constant stock control. Therefore, it is practical to install a purifier that will filter the incoming stream, which will be beneficial to the health of all the inhabitants of the house. Here’s a ranking of under-sink filter systems that eliminate chlorine and other harmful phenomena. Top 12 is based on product features and consumer reviews. This will help to buy proven products for specific operating conditions.

Rating of the best filter systems under the sink

Keosan KS-901

Rating: 4.9

On the first place of the rating is a filter system from a Korean manufacturer. The KS-901 is under the sink and is of the flow-through type without a storage tank. The equipment is equipped with an air pump and non-return valve. Four stages of purification, including activated carbon and membrane. The filter system consists of a control unit and four cleaning flasks. The separate design allows to install the equipment under the sink and to put the panel over the table for easy control. Digital display shows the degree of contamination of each module. Colors from green to red are used for this. The entire unit weighs 3.5 kg, so you can mount it to chipboard or MDF in the kitchen (to the walls of the cabinet on which the sink is installed). In reviews, users note a pleasant taste and softness of the water.

According to our experts, the filter system is worthy of a place in the ranking because of the complete disinfection of the flow due to UV rays. This technology is used in medical institutions to remove germs. Irradiation with ultraviolet light disinfects the water and promotes health, even for people with a weak immune system.

Advantages

• Four stages of purification;
• saturates the stream with minerals;
• One cartridge is enough to pump 4731 liters of liquid;
• Low power consumption of 10 watts per hour;
• Filter porosity 0.1 micron.

Disadvantages

• no pump for low pressure in the system;
• No storage tank – if the central water supply is disconnected, there will be no reserve;
• energy-dependent device;
• not suitable for hot water.

Geyser Nanotek P

Rating: 4.8

The second place in the rating is occupied by the filter system with three stages of purification. First nylon screens retain rust and sediment up to 5 microns. The reverse osmosis membrane reacts and lets only water molecules pass through. Its pores are 750000 times thinner than a human hair. Germs and viruses are much larger, so they stay “overboard. Activated carbon block on the finish gives freshness. Cartridge life is 6-12 months, which depends on the quality of the incoming liquid and frequency of use of the filter system. According to customer reviews, the purified water tastes like melted water, which is very beneficial for humans.

We have included the product in the rating because the filter system has its own tank of 12 liters. The tank is equipped with a stable base (can be detached) and stands firmly on the surface under the sink, not requiring fixation to the wall. This product is suitable if the water in the house is often turned off. Built-in pump will provide a supply of liquid and you can always drink.

Advantages

• beautiful chrome-plated faucet with a soft touch;
• Has a pump in case of low pressure in the system;
• 3 stages of purification;
• An additional protective layer on the surface of the membrane prevents the settling of small particles;
• specialized Vontron membrane with 0 permeation holes.0001 microns.

Disadvantages

• To install the flasks and the tank you need enough space under the sink;
• Not suitable for liquids with temperatures over 40 degrees;
• Needs 220 V power supply.

Aquaphor Crystal Eco H

Rating: 4.7

Our rating continues with the domestic filter system with a mechanical water treatment without bactericidal additives. The product consists of three blocks, which are replaced with the body. This will prevent dirt and deposits from transferring further when changing the cartridge. Purification technology includes pre-filtration, deep cleaning and disinfection, final absorption of carbon. No electricity is needed for the operation of the block – everything comes from the pressure in the water supply line. Tubing for connection and connection to the centralized water supply is supplied. There is a key fork for installation under the sink. In reviews, customers report that the water tastes like bottled water, but the advantage is that it does not have to order, wait and carry containers of 19 liters.

Our experts ranked this filter system as the best in terms of cartridge life. They are designed for 8,000 liters and only need to be replaced after that. If a family of three drinks 6 liters a day, the purification element is enough for 3.5 years.

Advantages

• Eliminates chlorine, petroleum products, metals, lime impurities;
• performs ionic exchange and disinfection;
• The compact dimensions of 26x9x34 cm can be easily placed under the sink;
• A beautiful faucet is included;
• Replacement of the module with the housing so that no germs remain in it.

Disadvantages

• Not the highest filtration rate of 2.5 l/min;
• Without a reverse osmosis membrane;
• Does not work if there is a drop in pressure in the system;
• No hard water softening function.

BARRIER EXPERT

tra

Rating: 4.6

In the top 5 ranking is a filter system with five-stage purification, recommended for residents of industrial cities. It eliminates hardness, kills microbes, detains garbage and plaque, and neutralizes chemicals (pesticides, herbicides, fertilizers), harmful to humans. The metallic gray color perfectly suits the design of most kitchens. Users in reviews like the fact that the equipment can protect against the transmission of E. coli, so the water from such a tap can be drunk even by children.

Our experts liked the execution of the model in a thin rectangular housing, inside which there are four purification elements. This appearance is very solid and will be suitable for open installation under the sink, which has no cabinet doors. More developers have applied in its design patented material KDF55, produced in the USA, which acts as a catalyst (removes chlorine and iron, and also protects the activated carbon from bacteria). Almost no catalyst is consumed, which prolongs the overall life of the filter system.

Advantages

• It is easy to maintain the filter system and keep the units clean;
• There is a non-return valve to bypass the waste fluid to the sewer system;
• complex system with 5 stages;
• The ceramic faucet of a level “Premium” in the complete set;
• softens, filters and ionizes.

Disadvantages

• expensive cartridge replacement;
• performs poorly at low pressure;
• No built-in reserve tank.

Aquaphor DWM-101S Morion

Rating: 4.4

The sixth position of the rating is again for Aquafor brand, but this time it is DWM-101S model. The Morion filter system is designed to eliminate harmful impurities, remove microbes and mineralize water. Only materials safe for health are used in construction. The set includes 4 modules that can withstand up to 21 atmospheres. The equipment is supplemented with its own 5 l reservoir, so that the owners always have a drinking water reserve. In reviews, users compare the quality and taste of water from this filter system to premium bottled water.

In our opinion, the product is worthy of a place in the ranking, because it has a higher economy of consumption. In classic reverse osmosis units, in order to get 1 liter of purified liquid, it is necessary to pass up to 16 liters of water (the excess is released through the return valve). Here this value is 1:4. You will save up to 9 tons per year. The model will still be able to work even if the pressure in the water supply drops to 2 atmospheres (irrigation season, poor squeeze on a high floor, etc. d.).

Advantages

• The reverse osmosis membrane allows only water molecules to pass through;
• mineralizer unit recovers inorganic salts;
• No scale is left on the kettle or other cookware if you use water for cooking;
• improves the taste of tea and coffee;
• Enriches the flow of magnesium and calcium.

Disadvantages

• The equipment takes up a lot of space under the sink;
• The tank of 5 liters is filled in 1 hour;
• high cost;
• the service life of modules №1 and №2 is 3-6 months.

Atoll A-550 STD

Rating: 4.4

Continues the rating another domestic model with five stages of purification. The mechanical module removes debris up to 5 microns in size. The first post-filter absorbs chlorine, organic compounds and fertilizers in the water supply. Fine purification capsule passes only particles less than 1 micron. Then a thin film composite membrane comes into work, which is practically irreplaceable. At the outlet the liquid passes through a module that saturates it with minerals and softens it. Together with the filter system comes a 10 litre tank for storing the stock. The hardness of the water can be reduced to 7 mg-eq/l. The unit operates from a pressure of 3-8 atm. The equipment can filter up to 216 liters per day.

We ranked this filter system because of the quality of its materials. Though it is made on domestic production, but all components are delivered from the USA. As a result, you use a membrane and granular carbon blocks and postfilters of high quality, but at a more affordable price than if you buy a filter system directly from abroad.

Advantages

• ceramic faucet included;
• there is a drinking reserve for 10 liters;
• Suitable for a family of 6 people or a small office;
• Each module can be changed separately.

Disadvantages

• Low filtration speed – 10 liters per hour;
• you need a lot of space under the sink;
• Braves a maximum pressure of 8 atm;
• relatively high cost.

Aquaphor Favorit Eco

Rating: 4.3

Eighth in the ranking is a product Favorit Eco. It is a filter system with 3 stages, after which the water can be drunk without boiling – germs and viruses simply can not pass through its pores. The mains and capsules are designed to withstand pressure up to 20 atm. The manufacturer has applied in this model, the new technology carbon block with Aqualen, instead of the traditional activated carbon of the competitors. This gives increased permeability with the proper level of filtration. Owners in the reviews like the fact that the resource blocks is 7000 liters, which lasts for several years.

Our experts have included the filter system in the rating of the best, because its construction uses a fiber membrane. This is a more affordable alternative to reverse osmosis, which also keeps bacteria out of its pores, but costs less. This model also has a stainless steel housing, while others only have plastic. Metal lasts longer and looks more aesthetically pleasing in the office or cafe kitchen.

Advantages

• Kills germs without bactericidal agents;
• retains mineral composition;
• Removes petroleum products and pesticides;
• Elegant look for the office.

Disadvantages

• you need enough space under the sink for installation;
• purification speed – 2.5 l / min;
• there is no storage tank;
• does not add useful minerals.

Geyser Prestige M (12 l)

Rating: 4.2

Continues the rating of the filter system with reverse osmosis, mineralizer and 12 liter capacity. Pressure of 3 atm is enough for normal operation. Before the liquid enters the membrane, it passes through three preliminary stages of filtration. It increases the life of the reverse osmosis flask. Equipment capacity is 200 liters per day. In the storage tank water is always kept fresh thanks to the capsule with activated carbon. Feedback from owners show that such a filter system lasts 5-6 years without leaks or breakdowns if properly installed. Installation can be done quite by hand – in the instruction is a detailed diagram. But a complete replacement of the cartridges is expensive and comes out about 3000 rubles, but components are available in any city, in contrast to imported models.

This filter system is included in our rating because it comes with two valves on the faucet. The first one gives drinking water with added minerals, which is good for humans and animals. The second one supplies desalinated liquid for irons, steam generators, ice makers or humidifiers.

Advantages

• built-in mineralizer;
• It uses two carbon blocks for enhanced cleaning from phenols and organochlorines;
• has a sorption pre-filter;
• the membrane passes only particles 0.0001 micron;
• Eliminates unpleasant odours completely.

Disadvantages

• Under the sink, there is enough space for 6 modules and a 12-litre tank;
• expensive to maintain;
• to produce 1 liter, consumes about 8 liters.

OMOIKIRI Pure drop 1.0

Rating: 4.1

The product from the Japanese manufacturer Omoikiri was included in the Top 10. The filter system contains 3 stages of purification and produces up to 180 liters of drinking water per day. The units use not only charcoal and nylon mesh for mechanical cleaning, but also silver to ionize the liquid and kill germs. Bacteria not only do not pass through the reverse osmosis membrane, but are neutralized in the channels. In the reviews, customers are happy with the size of the filter system, which fits perfectly under the sink. It also weighs 2 kg (filled), so the self-tapping screws will not fall out even if it is attached to the MDF partition of the kitchen furniture under the sink.

In the rating of the product got because of the use of Japanese membranes. If you do not trust domestic manufacturers, you will find exclusively Japanese quality in the reverse osmosis system of this model. Another distinguishing feature of the equipment installed under the sink is the resource of the cleaner – 10,000 liters. This promotes economy, because the cartridges have to be changed less often.

Advantages

• simple connection;
• Clear marking on the cartridges helps not to confuse anything during installation;
• completely silent operation;
• No scale on the kettle;
• Capsules are installed without special keys.

Disadvantages

• is sold without a tap;
• The body for fixing the modules is made by Aquafor;
• no mineralizer;
• expensive maintenance;
• the cost is higher than that of similar products of other companies.

Aquaphor OSMO 50 performance 5

Rating: 4.0

Penultimate place in the ranking is assigned to the product OSMO 50. It is a set with a semi-permeable membrane that retains viruses and bacteria, sending them to the sewer through the drain. First, the fluid passes through two polypropylene cartridges for mechanical purification. After pores at 0.1 micron is further treated with activated carbon and mineralized. The filter system comes with a 10-litre enamelled steel tank. There is a chrome-plated faucet for installation in a sink or countertop. In their reviews, users report that the filter system performs its function perfectly, but needs careful assembly, since all the threads are plastic and can break from over-tightening.

We put the product in the rating because of the enhanced performance. The filter system is capable of delivering up to 7.8 liters of clean water in an hour. In other models, this figure is 2-3 times lower. The high speed of purification is useful in a large family of 8 people or in public places (cafes, bars, restaurants, hospitals, offices).

Advantages

• 5 stages of filtration;
• semi-permeable membrane in the device;
• suitable for the preparation of baby food;
• Enameled tank for 10 liters;
• micronutrient enrichment.

Disadvantages

• Replacement set costs from 2500 rubles
• Plumbing pressure required from 3.5 atm;
• plastic thread on the tank;
• The total weight of the set is 10 kg (without water), so you need a solid base for installation.

Aquaphor Trio Norma

Rating: 4.0

The budget variant from Aquafor – “Trio Norma” completes the rating of the best filter-systems under the sink. It is recommended for use wherever there is soft water in the water supply system, which only needs to be disinfected. Pre-filtering capsule removes rust, turbidity and impurities. Aqualen absorbs chlorine and other chemicals. A total of three filtration levels. The equipment is easy to fit under the sink due to its compact size and the absence of a storage tank. Modules of deep pre-treatment and final absorption need to be replaced about once a year, but the capsule of mechanical pre-treatment every 3 months. The package includes a manual with detailed tips for installation and operation.

This is the most affordable filter system for the price of the product and got into the rating of the best. Its cost is 2-5 times lower than that of competitors. Some users tell in their reviews that the price of replacement cartridges is almost the same as the base price of the product (especially if you find it on stock). Thus, you can not only replace the cleaning elements, but also renew the faucet with the lines once a year to have clean communications and a nice look in the kitchen.

Advantages

• quick-release capsule attachment;
• A beautiful curved faucet covered with chrome;
• easy to install and maintain;
• no plaque in the kettle.

Disadvantages

• there are many ducts inside the base, “fouling” with slime;
• misses particles less than 0.8 microns;
• the swivel part of the tap is held loosely and pulled upward (fixed with a crimped rubber band).