Sierra 18-9080 Universal Marine Fuel Stabilizer - 1 Gallon Sierras 18-9080 Universal Marine Fuel Stabilizer promotes quick starting and keeps your boats carburetor and fuel system clean. Universal Promotes quick starting Keeps carburetor and fuel system clean Reduces gum and varnish build up Improves engine performance Stabilizes gasoline without ethanol up to 24 months Stabilization for gasoline containing ethanol will vary 14 oz. per gallon for everyday use of 12 oz for storage Interchangeable