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.