Diesel Exhaust Fluid


Diesel Exhaust Fluid (DEF) available in 55-gallon drums and 275- or 330-gallon totes

DEF I TOTE

330 Gallon One-Way Tote with Micromatic Fitting. Additional Tote Sizes Available.

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DEF I DRUM

High quality DEF that meets ISO 22241 standards and is API certified.

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United Refueling: Diesel Exhaust Fluid Delivery Dallas Fort Worth

DEF is used in by Selective Catalytic Reduction (SCR) technology to remove harmful NOx emissions from diesel engines. Diesel Exhaust Fluid (DEF) is an emissions control liquid required by modern diesel engines. It is injected into the exhaust stream. It is a non-hazardous solution of 32.5% urea in 67.5% de-ionized water.

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