STA-BIL® Storage Fuel Stabilizer - 8oz. America’s #1 Fuel Stabilizer Treatment. Keeps Fuel Fresh For Long Term Storage – Up To 24 Months. Eliminates The Need To Drain Fuel Prior To Storage. Ensures Quick, Easy Starts After Storage By Preventing Gum and Varnish Build Up. Effective In All Gasoline, Including Ethanol and Non-Ethanol. For Use In All Gasoline Engines, Including 2-Cycle - Use In Your Vehicles, Motorcycles, Small Engines, Boats, and Generators. Made in the U. S. A.