... .DOW, Hydranaustic Membrane 3.Automatic wash and backwash Seawater Desalination Water treament1.Reverse Osmosis2.DOW, Hydranaustic Membrane3.Automatic ... completely made of 304 stainless steel, the pretreatment equipment and pipeline valve are all sanitary material, conpact ... meter monitor,pressure gauge and flow meter. Matching equipment:original water pump,mechanical filter,activated carbon filter ...