1.5 stages RO water purifier 2.auto backflush water purifier 3.civil use purifier 4.easy renew filter cartridge 5.CE 5 stages RO system water purifier 5-stage filtration ... can speed up flow rate, reduce the distance of water flow in the water purifier, reduce the pressure loss,reduce the risk of ... , reduce installation difficulty,make the apperance better .our company picture RO system Water Purifier