When it's time to put your boat into storage, add some Quicksilver® Quickstor® Fuel Stabilizer for All Grades of Gas and Ethanol Blends to its fuel and forget about it. Not only does it stabilize regular and ethanol-blended fuels for a year, it prevents fuel system corrosion, and it keeps gum and varnish from forming in the fuel which settles into fuel lines, carburetors and injectors. Beyond that, this marine fuel stabilizer from Quicksilver keeps your carburetors and injectors lubricated and ready to perform. Works for lawnmowers, chainsaws, snowmobiles, ATVs, or anything with a 2- or 4-cycle, carbureted and fuel-injected motor. Safe for catalyzed engines. 1 oz. treats 5 gallons. 12-oz. bottle. Stabilizes gas and ethanol blends for up to a year. Prevents fuel system corrosion. Stops gum and varnish from forming. Keeps fuel lines, carburetors and injectors clear. Lubricates carburetors and injectors. Works on most 2- or 4-cycle motors. Dangerous goods must be shipped via ground transportation to a physical address. This item cannot ship to a PO box or Rural Route. Additional shipping fees may apply. Hazardous Material. Must ship ground only. Not eligible for expedited shipping. Contiguous 48 states only. A physical address is required for delivery. LTD QTY - In the event you wish to return this item, due to regulatory requirements, please contact customer service and we will provide the special shipping label and instructions required for the return of this item.