... to 6 months, depending on local water quality and quantity. Function: Absorb in tap water greater than 5 microns in diameter ... 1 micron. It can be respectively installed in front of water and pure water machine 1,3 level. Flow 10'' PP cartridge flow:0 ... 4T/HOur business lineFRP tank, Stainless steel tank, water softener, household water purifier, industrial water filter, RO and UF membrane housing, RO ...