Accurately tests the quality of DEF (Diesel Exhaust Fluid) in your diesel’s SCR Systems!
This hydrometer reads 25% – 40% urea concentration with a Green Zone from 30% – 35%.
The desired concentration being 32.5% Urea Concentration Calibration.
Free shipping to the lower 48 states only.
If you have any questions about our products, please give us a call. (717) 453-7171
We have trained technicians waiting to answer your questions!
Our hours of operation are Monday thru Thursday 7 AM-5 PM EST.
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