... % Desalting Rate. RO water filter, RO water system, RO water purifierKey Specifications/Special Features for EW-RO-450L/H RO water filterRating Output: 450L/h 25Power Consumption: 2 ... or lackAutomatic RO membrance flushing 2 minutes each hourForce pretreatment backflushApplication: factory, hotel, unit, the group places, and more EW-RO-450L/H RO water ...