Power Service 01128-04 Diesel Fuel Supplement Anti-Gel with Concentrated Cetane Boost Formula - 1 Gallon Prevents fuel gelling in temperatures as low as - 40 Degree Fahrenheit Equals performance of a 50/50 blend of No. 2 and No. 1 diesel fuels Lowers Cold-Filter Plugging Point (CFPP) as much as 36 Degree Fahrenheit; keeps fuel-filters from plugging with wax; Boosts cetane up to 4 numbers for faster cold starts Contains Slick diesel Lubricator for maximum fuel lubrication that protects pumps and injectors from accelerated wear; Contains anti-icing additive that protects against fuel-filter icing Contains wax anti-settling dispersants that protects against fuel-filter plugging at temperatures below the fuel cloud point; Disperses water in diesel fuel Effective in all diesel fuels, including Ultra Low Sulfur Diesel (ULSD) and biodiesel blends containing up to 20 percent biodiesel (B20)