... ,PP,PS,PES Dia:4", 6", 8", 10" water filters with UF Membrane for water filtration & separation.Hollow fiber ultrafiltration membrane is one ... a new kind of high technology, which can be widely used in separation, concentration and purification of substance in foods, drinks ... Cycle6-180daysChemicals Flushing Time15-120minsChemicalsCitric acid,NaOH / NaClO,H2O2 Ultrafiltration water filters