Features: 1. Feed water pump 2. Quartz sand filter with back wash control 3. Active carbon filter with backwash control 4. Resin water softener with automatic backwash control 5. PP sediment filter 6. High pressure pump 7. Piping system,connecting system Specifications: Pre-treatment part fiberglass housing: dia 300 x 1650mm 3 PCS Feed pump: CDL2-180 High pressure pump: BLC70 RO membrane: Hydranautics ESPA4040 Resin: 50L Quartz sand: 150Kg Active carbon: 50Kg Size: 1980 x 900 x 1940mm wooden case