... REVERSE OSMOSIS WATER STORAGE TANK RO PRESSURE WATER TANK RO PLASTIC TANK, RO TANK, WATER TANK WATER TANK 2 ... shipment or L/C at sight Why using RO storage tank:Water goes through a reverse osmosis ... cup of water. For this reason the residential RO units need a water storage tank to storage water ... 2.hangzhou yizheng water treatment CO.,LTD engage in RO tank, filter, and machine shell, and other plastic ...