RO pretreatment filter MWCO: 5k-500k Dalton Material:PVC, ... Dia:4",6",8",10" Casing:UPVC,SS,FRP RO pretreatment with Ultra filtration membrane water filtering filter for ... savings & reduction in maintenance cost• Prolong the lifespan of RO membrane from 2 years up to 5 years• Concentration and ... or Dead-endMaintananceBackward flushing flowrate(L/m2.h)150-200 Backward flushing TMP(MPa)0.06-0.12 Backward ...