Diesel Exhaust Fluid DEF; Container Size 55 gal. or 275 gal. Container Type Drum or Totes. For Use With All On/Off Highway SCR Systems; Standards Meets ISO 22241.
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DEF is a Non-hazardous urea solution that chemically transforms harmful Nitrogen Oxide emissions into harmless water vapor and nitrogen–two harmless and natural components of the air we breathe. According to engine manufacturers, SCR combined with DEF improves overall fuel economy by approximately 5% compared to competing technologies, and achieves NOx reductions in excess of 90%. DEF is stored in a dedicated tank next to the fuel tank on the driver's side. The tanks range in size from 6 to 23 gallons depending on the truck's application.
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