Combined cartridge: washable polyamide net and polyphosphate. The net works as a filtrating medium and it's suited for the filtration of sand, scale, rust and fine particles. The polyphosphate inside the cartridge guarantees protection from limescale and corrosion.
This cartridge should be washed every 3 months, taking care of not tearing the filtering medium and substituting it in maximum 6 months.
It can be used in both domestic and industrial setting. It is suitable for filtration of drinking water.