RO drinking water device, RO filter 1.Reverse osmosis water 2.Dow, Hydranaustic membrane 3.Stainless steel RO drinking water device, RO filter1.Reverse osmosis ... gauge and flow meter. Matching equipment:original water pump,mechanical filter,activated carbon filter,ultrafilter high pressure pump, RO systems ,cleaning ... , operation simple, the applicability is strong High effciency water filter device