DEF TESTER | Matco Tools List: $11.95
(0) DEF TESTER
TH109

Tests urea concentration of diesel exhaust fluid to determine if fluid is too rich or diluted. Temperature compensating discs test DEF, hot or cold. View Details

DEF-CHEK TESTER | Matco Tools List: $27.95
(0) DEF-CHEK TESTER
TH108

Tests urea concentration of diesel exhaust fluid with temperature compensating discs that test DEF, hot or cold. Easy-to-read and accurate at all temperatures. View Details