... 3, Economical and durable Reverse osmosis water treatment plant for D2P-S-4000LPH1. Brief instructionThe device is integrated structural design. ... for easy movement, installation and maintanence. The materials for the device are corrosion-resistant, reinforced plastics, nickel-alumimum bronze, to ... 7.0KWD2P-2-19000GPD190003000 2680%8.5KW double pass reverse osmosis water treatment plant 4000LPH