The Sea Foam High Mileage HM16 Gasoline Fuel and Oil Treatment is a 16oz pack of 2 units designed to clean fuel injectors, stabilize fuel, and treat motors. Made in the United States, this product is a fuel additive that helps improve mileage, reduce emissions, and prevent engine damage. Perfect for maintaining the overall health of your vehicle's engine, this treatment is a convenient and effective solution for optimizing fuel performance.