Professional Series Ethylene Glycol Antifreeze Tester | Tests Freezing Point of Antifreeze and Proper Water/Coolant Mixture, One Piece Bulb and Neoprene Dip Tube. Works On Any Vehicle: diesel antifreeze, RV antifreeze, camper antifreeze, marine antifreeze, just about any vehicle's antifreeze coolant with ease with our coolant tester.
