Removes 98%+ of all contaminants in your tap water. Leading the industry in efficiency the Stealth has a 2:1 waste to product water ratio. Optional 1:1 ratio flow restrictor saves 50% more waste water. Optional high flow, low pressure, cold water membrane increases production to 200 GPD for Stealth RO 100. Customized for gardening and hydroponics. The Stealth RO 100 produces 100 GPD of ultra pure water. Includes: 3-Stage RO Unit, 1 RO Membrane, Carbon Filter, Cleanable Sediment Filter, Automatic Shut-Off Cartridge, Wall Mountable Metal Bracket, Garden Hose Connector, lnline Shut-Off, 8 ft RO & Drain Line, 5 ft Inlet Line, Filter Wrench & Instructions. Unit size: 15 in x 14 in and weight: 8.6 Ib.