... payment system 3.UV, ozone sterilizing 4.Capacity: 400~1300GPD 5.6 steps filter Simple description:Auto water vending machine ... , bacteria, residual chlorine and their derivative, all kinds of organic pollutant are all removed completely, ensuring output water ... with "pure water standard".6. Multi medium pre-filter improves its filter ability, protects the following filter material , especial the RO ...