DEF

The SoCo Group is a wholesale DEF distributor for Air1. File47_airlogo

What is DEF?
Diesel Exhaust Fluid (DEF) is 32.5% solution of high-purity urea in de-mineralized water that is used with the Selective Catalytic Reduction system (SCR) to reduce emissions of nitrogen oxides (NOx) from the exhaust systems of diesel vehicles in the US. DEF is clear, non-hazardous liquid. It is not a fuel, nor a fuel additive and needs to be filled into a dedicated DEF tank which is on your diesel vehicle. It is replenished in a similar way to refueling diesel. Should you spill Diesel Exhaust Fluid (DEF) on your hands, simply wash it off with water.

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Dana Aldrich
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