Ethanol Shield Fuel Stabilizer eliminates and prevents ethanol related problems in all equipment with 2-cycle and 4-cycle engines. It prevents corrosion removes water keeps stored fuel fresh and provides easy engine starting all year. Our new Military Specifications Mil-Spec formula which provides level of protection never before available to the general public. It includes an All Metal Anticorrosive Package Top Level ASTM NACE Ratings and an Antioxidant Package - Up to 25X more anti-oxidants compared to leading competitors.Features. Year round protection. Stabilize gas up to 3 years. Protects preserves lubricates the top end of all engines. Item Weight - 4 oz.. Case Pack of 12. Dimension - 6.75 x 6 x 8.125 in.. Case Pack weight - 3.75 lbs.