Large capacity 2-in-1 tank - deep clean faster by making fewer trips to the sink to fill and empty the tank Heatwave Technology® - Constant heat helps maintain the water temperature throughout the cleaning process 10 Rows of Cleaning - dual rotating powerbrushes loosen and remove deep down dirt from carpets Hose & Tool - conveniently do away with dirt and stains on upholstery and in hard to reach areas Surround Suction® - surfaces dry fast with full-width suction