... 6 months, depending on local water quality and quantity. Function: Absorb in tap water greater than 5 microns in ... . It can be respectively installed in front of water and pure water machine 1,3 level. Flow 10'' PP cartridge 0 ... tank, Stainless steel tank, water softener, household water purifier, industrial water filter, RO and UF membrane housing, RO system, Accessories(valve, distributor, tank ...