WT303
Total bacterial count, coliform group, free residual nitrogen, turbidity, nitrate-nitrogen, nitrite-nitrogen, arsenic, lead, zinc, copper, iron, total trihalomethanes, silver, molybdenum, manganese, sulfate, selenium, chromium, cadmium, nickel, mercury, trichloroethene, carbon tetrachloride, 1,1,1-trichloro-ethane, 1,2-dichloroethane, vinyl chloride, benzene, 1,4-dichlorobenzene, 1,2-dichloroethene​​​​​​​​​​
WT303 certified products​​
Alkaline ionized water generator (KB-636. IA-568. KB-588. IT-636. IT-737. IT-389. IT-388. IT-330. IT-380. IT-730​
Alkaline ionized water filter SK-1702​