E-CHEN RO Booster Pump 204 Series The 204 series is designed for household RO system for unstable water pressure. The advanced pump head technology stabilizes outlet pressure at 70psi - 80psi while inlet pressure is between 10 - 40 psi. Available at 50, 75, 100, 150, 200, 300, 400, 500 and 600 GPD. Features Constant pressure invetion design on tunnel-type outside circulation to extend the life of RO membrane Solution for water pressure flucctuation problem, suitable pipe pressure: 10-40 psi No influence by climate and temperature No decompression No water leakage problem Constant pressure technology to ensure stable pressure work on RO membrane Materials of Construction Nylon Housing EPDM Valves Santoprene Diaphragm Stainless Steel Fasteners Applications Pre-Filter Water Treatment RO Boost Carbonation Systems Misting Systems Medical Labwater Fuel Cells Reverse Osmosis Water Purification System Packing Net Weight: 2.15Kg/ea Growth Weight: 27.5kg, 12pcs/crt Carton Size: 50 x 26.5 x 35.5 cm EC-204-75A