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About DEF

Our Product

Diesel Exhaust Fluid (DEF) is a urea-based fluid specifically engineered for diesel engines as the reducing agent in Selective Catalytic Reduction (SCR) systems, which is a new vehicle technology platform for reducing NOx emissions through exhaust aftertreatment.  DEF is a solution made up of purified water and 32.5 percent urea that is used as a carrying agent for the ammonia needed to reduce nitrogen oxide (NOx) emissions from diesel engines into nitrogen, water and carbon dioxide (CO2).

AirBlueFluids, Inc. is a dedicated supplier of DEF.

Our Specs

Interested in learning more about our product? Click on the Specs Sheet link to download detailed information about our product’s properties.

Click on the Material Safety Data link to download an in-depth safety and handling information sheet.

Product Information

Safety Information