Sea Foam Marine Pro Fuel System Treatment is designed to clean fuel injectors and carburetor jets while lubricating critical upper engine components. It helps reduce long-term engine wear and prevents corrosion caused by ethanol and water. This treatment stabilizes fuel in the tank for up to two years and is safe for all 2- and 4-stroke gasoline marine engines, including both inboard and outboard models. Ideal for maintaining optimal engine performance and longevity in marine environments.