OK mine specs is Zero RO System 5 stage
Stage 1: 5 micron Rust & Sediment Filter
Stage 2: Granular Activated Carbon Filter
Stage 3: Carbon Block Filter
Stage 4: ZeRO TFC Membranes are made in USA 100 gallons per day
Stage 5: DI Resin
Connected to Crystal Pro RO System
Stage 1,2 and 3: All DI Resin
Sun Moon Lake Booster Pump
160 Litres Per Day
Working Pressure 70 PSI
Max Pressure 135 PSI