Clearance items are available while supplies last. We will make our best efforts to inform you as soon as possible if the goods ordered are not available. Clearance item are non-returnable. Clearance items may not be available in all locations, and can not be transferred from one store to another.
Prestone® Antifreeze/Coolant Tester is a professional do-it-yourself tester that easily tests for anti-freeze/anti-boil protection. It is important to maintain your antifreeze/coolant at the proper concentration to provide good corrosion protection as well as prevent freeze-ups and boil-overs. This tester provides a quick and easy method to safely collect a sample and measure coolant concentration. It also allows a visual inspection of the antifreeze while you test it. This is a low-cost way to check the condition of the antifreeze/coolant in your vehicle.
Do-it-yourself test
Allows inspection for rust and sediment
Tap to dislodge air bubbles, pointer shows degree of protection