The GX150 is packed with all of the high end features into a compact and efficient RO unit. This unit has 50% more water produced than tradition ROs, lowered the waste ratio to only 2:1 while keeping the product affordable for a entry level RO filter. The unit was also built with a 2" stainless steel liquid-filled pressure gauge and a patented bracketing system. A manual flush valve was also made easy for cleaning the membrane, purging out pollutants that could build up in the system. Flush often will extend the life of the membrane. The GX150 is an excellent choice for a small hydroponics garden with the speed of 6.25 GPH (Gallon Per Hour). Features: 150 Gallons Per Day 2:1 Waste Ratio High Flow Membranes High Flow Washable Sediment Filter Clear Filter Housings (white available) Stainless Steel Liquid Filled Pressure Gauge Patented Metal Housing Auto Shutoff Valve EZ Hookup Kit Wall Mountable Uses 50% less water than traditional RO systems