Sentry New Technology Fuel Treatments (Diesel Plus Treatment Marine/ SD Formula) for ULSD-LSD-BioDiesel (1 32oz Bottle) Rated #1 for ULSD, LSD, BioDiesel. Eliminates All Water Fuel Issues. Cleans Injectors & Fuel System. Provides Max Lubrication. Boost Power and Reduces Smoke. Stabilizes and Restores Fuel. Increases Mileage. Anti - Gel, Eliminates water in fuel! Maximum Lubrication and Stabilizing Formula