• One gallon of DEF is used approximately every 300 miles
• A truck with a 20 gallon DEF tank can go up to 6000 miles between fill-ups
• When used in an SCR system DEF will reduce the levels of NOx emissions of those engines
• Non-flammable
• Diesel exhaust fluid

Diesel Exhaust Fluid - 55 Gallon Drum: Diesel Additives  ✓ FREE DELIVERY on all DEF Fluid purchases.