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Diesel Exhaust Fluid (DEF)

TerraCair® Ultrapure Diesel Exhaust Fluid (DEF) is a nitrogen-based urea solution that helps clean the air by reducing nitrogen oxide (NOx) emission from the exhaust stream of diesel engines.  TerraCair® Ultrapure is the automotive brand name for Terra Environmental Technologies’ DEF.

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DEF by the Case (Two 2.5 Gallon Jugs per case)
DEF by the Case (Two 2.5 Gallon Jugs per case)
Our Price: $28.37

$5.67 per gallon (Delivery charges are included) more info
DEF in 55 Gallon Drums
DEF in 55 Gallon Drums
Our Price: $220.00

$4.00 per gallon (Save even more! Buy in bulk for large industrial use) more info
DEF in 330 Gallon Totes
DEF in 330 Gallon Totes
Our Price: $1,254.00

$3.80 per gallon ( Huge savings!) more info
DEF sold by the Gallon - Delivered by Tanker Truck (350 to 1500 Gallons)
DEF sold by the Gallon - Delivered by Tanker Truck (350 to 1500 Gallons)
Our Price: $2.25

$2.25 per gallon ( Best Deal!) more info
   
 
DEF is a key component of Selective Catalytic Reduction (SCR) systems which help diesel vehicles meet strict emission regulations.