... 6",8",10" Casing:UPVC,SS,FRP water filter plant with Ultra filtration membrane water filtering filter for water treatment with different membrane material (PES ... can be drained out following the concentration water. Ultrafiltration technology is a new kind of high technology, which can be widely used ... -180daysChemicals Flushing Time15-120minsChemicalsCitric acid,NaOH / NaClO,H2O2 UF water filter plant