America top selling fuel stabilizer keeps fuel fresh for quick, easy starts after storage. Removes water to prevent corrosion and cleans carburetors and fuel injectors. Protects engine from gum, varnish, rust, and corrosion. Prolongs engine life. Eliminates need to drain fuel before storage. For all 2 cycle and 4 cycle gasoline and diesel engines. 16 oz., Treats up to 40 Gallon.