Fuel Prep 100032 1000 Diesel Fuel Conditioner - 32-Ounce Bottle Combats Sludge Formation and Disperses Existing Sludge in Fuel Tanks Reduces or Eliminates Bacterial and Fungal Growth Cleans Dirty Injectors, Enhances Fuel Lubricity and Improves Fuel Stability Reducing Filter Plugging Prevents Corrosion and Prepares Fuel Tanks for Winter Conditions and Storage Biodiesel Compatible and ULSD (Ultra-Low-Sulfur Diesel) Compliant