1.auto water vending machine 2.coin, IC card payment system 3.UV, ozone sterilizing 4.Capacity: 400~1300GPD 5.7 steps filter Simple description:Auto water vending machine produces pure drinking water, municipal tap water is filtered by activated carbon, PP sediment filter, reverse osmosis membrane. Then through mineralization treating, living ozone sterilizing, 24hours UV sterilizing. Sand, ...