Description Under Counter Reverse Osmosis System with Pump 5 stage filtration 50 gallons per day / 190 liters per day Long reach chrome faucet 2 gallons / 12 liters storage tank All hardware included Stage 1: 5 microns sediment pre-filter Stage 2: Activated Carbon pre-filter Stage 3: Carbon block pre-filter Stage 4: 50 GPD TFC Reverse Osmosis Membrane Stage 5: Inline GAC filter fully assembled 50 GPD without pump