The Sea Foam HM16 High Mileage Fuel Injector Cleaner is a 16oz fuel additive designed to clean and protect fuel injectors in vehicles. Made in the United States, this product is sold in packs of 2, 6, or 12 units. It is important to note that this cleaner contains a chemical known to cause cancer and reproductive harm, as indicated by the California Prop 65 Warning. Perfect for maintaining the performance and longevity of your vehicle's fuel injectors, the Sea Foam HM16 is a reliable choice for automotive maintenance.