... ",8",10" Casing:UPVC,SS,FRP mineral water treatment plant with Ultra filtration membrane water filtering filter for water treatment with different membrane material (PES,PS,PVDF,PVC,PAN ... Flushing Cycle6-180daysChemicals Flushing Time15-120minsChemicalsCitric acid,NaOH / NaClO,H2O2 UF membrane filter mineral water treatment plant