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. Customized for gardening and hydroponics. The Stealth RO™ 150 produces 150 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 inline shut-off 8 ft RO and drain line 5 ft inlet line filter wrench and instructions. Membrane Power Flush Kit now included. Unit size: 15 in x 16 in x 6 in and weight: 10.8 Ib.