Winter rescue formula designed to solve diesel fuel emergencies during the cold winter months. De-ices frozen fuel-filters. Re-liquefies gelled fuel. Prevents fuel filter icing. Removes water from fuel system, extends life of fuel-filters, fuel-injection pumps and fuel injectors. Contains SLICKDIESEL lubricator for maximum fuel lubrication. Protects pumps and injectors from accelerated wear. Effective in all diesel fuels, including Ultra Low Sulfur Diesel (ULSD) and biodiesel blends containing up to 20% biodiesel (B20). Treats 30 to 75 gal.