Sta-Bil 22208 Fuel Stabilizer, 8oz. Use in any gasoline-powered vehicle or equipment you plan to store for 30-days or longer. It keeps the fuel fresh for up to 12 months during storage. 1-ounce (30-milliliter) treats up to 2-1/2 gallons (9.5-liters) of fuel. Product does not contain alcohol. Keeps fuel fresh for up to 24 months during storage Eliminates the need to drain fuel prior to storage Ensures quick, easy starts after storage Prevents gum and varnish build-up For all gasoline engines, including 2-cycle Made in the U.S.A.