Howes HL306212 Quart Diesel Treat Fuel Conditioner & Anti-Gel - Quantity 6 Quantity of (6) bottles: Howes 32 oz Diesel Treat Fuel Conditioner & Anti-Gel Lowers The Cold Filter Plugging Point Of Your Base Fuel An Average Of 20 Degrees Provides Superior Cold Weather Protection & Is Safe & Effective In All Diesel & Biodiesel Blends To B-20 Prevents Diesel Fuel From Gelling Increases Power & Fuel Economy