Friday27 December 2024
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Water filter cartridges: types and tips for replacement.

Numerous water filters incorporate specialized replaceable cartridges in their design, which facilitate the filtration process.

Фильтры для воды: виды и нюансы их замены.
Most cartridges are housed in a plastic casing, with a filtering element inside. Some manufacturers offer solid construction options made from polypropylene or cord.



The design of cartridges can be standard, as described above, or quick-release in the form of a block module. In the latter case, a plastic cup is used, with one side sealed and the other featuring a threaded connection. Therefore, when choosing an water filter cartridge, it is essential to determine the type of element and select the appropriate design. Choosing can be challenging, so at the Ecosoft online store, you can always receive assistance and recommendations from consultants.

Types of Cartridges

Manufacturers offer a considerable number of available options, primarily differing in application type:

  • polypropylene mechanical (made from foamed polypropylene or thread, an excellent solution for removing mechanical impurities);

  • carbon (bulk or pressed activated carbon, a solution for removing chlorine and organic compounds from water);

  • softening (uses ion-exchange softening resin to reduce water hardness);

  • iron removal (the loading inside oxidizes iron);

  • combined (two or three types of water purification);

  • capillary membranes (fine water purification using ultrafiltration fiber);

  • structurizers (tourmaline in the composition for UV water purification);

  • mineralizers and post-filters (carbon and coconut shell for purification, as well as a mineralizer cartridge for enriching water with trace elements and mineral salts).


Some manufacturers create replacement kits for user convenience, suitable for both flow filtration systems and reverse osmosis systems.

When to Change Filter Cartridges?

All cartridges, without exception, have a lifespan and are considered expendable materials in purification systems. Depending on the degree of water pollution, the lifespan of cartridges ranges from 4 to 6 months, which is relevant for both flow systems and reverse osmosis. Mineralizers and post-filters can last up to 1 year. The membrane in reverse osmosis systems can last up to 36 months, while the ultrafiltration membrane can last up to 18 months.

Therefore, it’s advisable to conduct a water analysis, assess the requirements for filtration elements, and create a schedule for cartridge replacement. Timely replacement ensures effective water purification for household and industrial use.