- About This Product
DescriptionHave you had a bottle of Diesel Exhaust Fluid sitting around for awhile? Nervous about putting it in your truck's DEF tank? Check the urea concentration with this handy DEF tester. The tester is accurate at all temperatures.
Easy to read discs are magnified by convex design of the clear SAN plastic barrel. One-piece bulb and neoprene dip tube.
ReviewsWrite a review
Aug 4, 2017 | By Robert
Works well,make sure to rinse with good def fluid after use