Power Service Arctic Express Antigel - 2/2.5gal. Bottles Prevents fuel gelling in temperatures as low as -40F. Equals performance of a 50/50 blend of No. 2 and No. 1 diesel fuels Lowers Cold-Filter Plugging Point (CFPP) as much as 36F, keeps fuel-filters from plugging Keeps fuel liquid during extended engine shutdowns Meets all diesel fuel injection systems lubricity requirements, reduces pump and injector wear