Winter Pow-R Plus 202032-12PK Plus Diesel Fuel Treatment - 32-Ounce Bottle, Case of 12 Prevents Fuel Gelling and Wax Crystal Formation Contains Cetane and Restores Fuel Economy Helps Improve Lubricity and Prevents Corrosion Prevents Ice Crystal Formation Biodiesel Compatible and ULSD (Ultra-Low-Sulfur Diesel) Compliant