1.auto water vending machine 2.coin, IC card payment system 3.UV, ozone sterilizing 4.Capacity: 400~1300GPD 5.6 ... design, technological process clear, easy for maintainance.5.High quality ultra low pressure TFC compound RO membrane treatment technology, deion rate ... , pump will auto stop.9. more safe and reliable electrical system design, added RO membranes auto rinsing, low water pressure protection ...