The Sea Foam HM16 High Mileage Motor Treatment is a 16 oz fuel additive designed to extend the life of your engine by cleaning and lubricating the fuel system. This pack of 12 cans is manufactured by Seafoam in the United States and is specifically formulated for high mileage vehicles. Easy to use, simply pour a can into your fuel tank to keep your engine running smoothly and efficiently. Perfect for regular maintenance and troubleshooting issues related to fuel additives.