... vending machine 2.coin, IC card payment system 3.UV, ozone sterilizing 4.Capacity: 400~1300GPD 5.7 steps ... osmosis membrane. Then through mineralization treating, living ozone sterilizing, 24hours UV sterilizing. Sand, corrosion, heavy metal, bacteria, residual chlorine and ... etc. harmful substance for human body.2.Ultraviolet ray (UV)24 hours non-stop sterilizing, ensure water hygiene3.Adopting high ...