The DEF-CHEK is designed to test the urea concentration of diesel exhaust fluid. Professional disc-type 16-1/4 inch tester is accurate at all temperatures. Design to make sure the urea content is maintained at 32.5 percent.
The DEF-CHEK is designed to test the urea concentration of diesel exhaust fluid. Professional disc-type 16-1/4 inch tester is accurate at all temperatures. Design to make sure the urea content is maintained at 32.5 percent.