... :SUS304; 2.Pipeline of the RO system:SUS304 3.Dow membrane:BW30-4040 RO Water treatment system:1.Material We use FRP tank ... carbon. The controlling machine is made of stainless steel. All water water pipes is PVC material.2.Specification ModelRO-1000I (15000L/H ... , low energy consumption, nonpollution, etc, so, it is widely used for producing pure water.More details,please contact us today!