Drinking Water Vending Machine with RO system 1.Capacity: 400~1300GPD 2.7 water purification steps 3.Economy, sta Drinking Water Vending Machine with RO systemStandard of ingoing water:according to GB5749-2005, Quality of outcoming water:reaches the pure drinking water standard GB17324... 800GPD 1300GPD 1300GPDWorking period for each equipmentI Quartz sand ...