... adopts current advanced RO system ,the output water is pure. 2,this system adopts American Hydec system design ... current advanced RO system , the output water is pure.2,this system adopts American Hydecame company ESPA-4040 ... . The quality of treated water is drinkable, clean and pure. system introduction: Raw water→ raw water pump → Quartz ... softener → PP sediment filter → 1M3/h RO system → pure water