Toolly DEF Refractometer, Measuring Diesel Exhaust Fluid Concentration of Diesel Engines, Urea Ablue AUS32 Concentraction Measuring Tool, with ATC Function auspowers_batchone Widely used:the easy to install

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Toolly DEF Refractometer, Measuring Diesel Exhaust Fluid Concentration of Diesel Engines, Urea Ablue AUS32 Concentraction Measuring Tool, with ATC Function auspowers_batchone Widely used:the easy to installToolly DEF Refractometer, Measuring Diesel Exhaust Fluid Concentration of Diesel Engines, Urea Ablue AUS32 Concentraction Measuring Tool, with ATC Function Why you must have it? EPA regulations require all diesel engines manufactured on or after January 1, 2010 to meet lowered NOX emissions standards. Most heavy duty engine (Class 7 8 trucks) manufacturers, have chosen to equip SCR, like Detroit Diesel (DD13, DD15, and DD16 models), Cummins (ISX