... water filter system MWCO: 5k-500k Dalton Material:PVC,PAN,PVDF,PP,PS,PES Dia:4",6",8",10" Casing:UPVC,SS,FRP water filter system ... --Ultra filtration membrane water filtering filter for water treatment with different membrane material (PES,PS ... Flushing Time15-120minsChemicalsCitric acid,NaOH / NaClO,H2O2 UF water treatment filter for water filter system