... water system, RO water Filter, Automatic RO Membrance, Force Pretreatment Backflush, 98% Desalting Rate. RO water filter, RO water system, RO ... : ESPA4040 3 piecesPump: CDL2-180/2.2kW, 1 piecePre-filter: Φ300 x 1650, 2 piecesPositive ion container: Φ300 ... water, and pause by water overfull or lackAutomatic RO membrance flushing 2 minutes each hourForce pretreatment backflushApplication: factory, hotel ...