Designed for use in hydroponic and soil irrigation applications, the HydroLogic® Stealth Reverse Osmosis 150 System is a customized RO water filter that is capable of reducing more than 98 percent of all contaminants in tap water. Leading the industry in efficiency, the Stealth includes a choice of both 1-to-1 and 2-to-1 waste-to-product water ratios. The Stealth has been the top-selling filter in gardening and hydroponics for more than 10 years. The Stealth RO150 produces 150 gallons per day of ultra-pure water. Stealths RO now produce 50 percent more water than previous models. Includes a three-stage RO unit, one RO membrane, one Green Coconut Carbon Filter, one cleanable sediment filter, membrane power flush kit, automatic shut-off valve, pressure gauge with colored operating zones, wall-mountable metal bracket, garden hose connector, inline shut-off valve, 8-foot product water and drain tubing, 5-foot inlet tubing, filter wrench and instructions. Built in the USA.