The SeaFoam High Mileage HM16 Gasoline Fuel and Oil Treatment is a pack of 6 16oz bottles designed to clean fuel injectors, stabilize fuel, treat motors, and improve overall vehicle performance. Made in the United States by the trusted brand Sea Foam, this fuel treatment is specially formulated to help extend the life of your vehicle's engine by reducing friction and promoting smoother operation. With no warranty but a proven track record of effectiveness, this product is a valuable addition to any car maintenance routine.