... 2.coin, IC card payment system 3.UV, ozone sterilizing 4.Capacity: 400~1300GPD 5.7 steps filter ... filter, reverse osmosis membrane. Then through mineralization treating, living ozone sterilizing, 24hours UV sterilizing. Sand, corrosion, heavy metal, bacteria ... non-stop sterilizing, ensure water hygiene3.Adopting high concentration ozone to disinfect water tank, completely eradicate water polluted ...