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Water purifiers under the sink


Flow filters for water purification Raifil, Aquafilter

Water purification plays a big role for human health, because the purity of drinking water, to put it mildly, leaves much to be desired. And if we want to protect our body from the effects of impurities in the water, water purification filters will help us preserve our health.

Stationary water purification filters are installed under washing with a separate tap outlet - a comfortable and elegant solution. Such filters are designed to purify tap water to drinkable condition. In such filters, a set of replaceable cartridges is used, which must be changed after the resource of the cartridge is produced. They perfectly cleanse from active chlorine, organic and organochlorine compounds, toxic metals, and other harmful substances. Eliminates unpleasant odors and tastes.

Two-stage water purification filters

The most popular models are two-stage water purification filters that are installed under the sink. Usually, in such filters, in the 1st flask, a cartridge is installed that cleans tap water from mechanical impurities with a size of 5 to 10-30 microns, in the 2nd flask, a filter element based on granular activated carbon is installed, which removes chlorine, organic compounds and pesticides.

Average life of cartridges:
1st cartridge (mechanical cleaning) depending on the fur. pollution, resource from 1 to 6 months;
2nd cartridge (activated carbon), resource of approximately 12,000-20,000 liters.
Productivity (on average): 2-3 l/min

  Three-stage water purification filters

Three-stage filters for water purification are designed for additional purification of tap water for drinking water.

1st cartridge (1st degree of purification) - called sediment cartridges. Intended for mechanical cleaning of water from insoluble particles (silt, sand, rust, etc.), they are used in mainline and household stationary filters.
2nd cartridge (2nd stage of cleaning) - cleaning with activated carbon from chlorine and organochlorine compounds. In modern filters of this type, the second cartridge is made of a special ion-exchange material. Designed for complex water purification from mechanical particles and harmful impurities (excess salts of hardness, iron, heavy metals, chlorine, organics, etc.). Detains bacteria and viruses. Active silver in the composition of the material suppresses their reproduction.

3rd cartridge (3rd degree of purification) - water softening, removal of hardness salts, improvement of color, taste and smell of water. The resource of the softening (ion exchange) cartridge is quite small, somewhere from 200 to 700 liters of water, depending on the hardness of the source water.

In addition to the above model of the water purification filter , there are 3-stage filters with 2 flasks, in such filters, the cartridge located in the 1st flask performs 2 stages of cleaning (mechanical cleaning + cleaning with activated carbon), the 2nd cartridge is the same as in the 3rd Kolbova system 3rd degree - is usually mitigating.
Average life of cartridges: three-bulb filter (with softening cartridge)
1st cartridge (mechanical cleaning) depending on mechanical contamination, approximately from 1 to 6 months;
2nd cartridge (activated carbon), resource of about 12,000-20,000 liters;
3rd cartridge (softening cartridge - ion-exchange resin), resource of approximately 200-700 liters.
Productivity (on average): 2-3 l/min.

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