Prestone AF-1420-6PK Antifreeze/Coolant Tester, (Pack of 6) 9-98-993-96 Take the guesswork out of

Take the guesswork out of installing drawers and doors

There's also a low-profile lid that locks tight for leakproof carrying

Designed for dependability

Batteries are not included

FNPT inlet that makes it compatible with a 1/2 in

Prestone AF-1420-6PK Antifreeze/Coolant Tester, (Pack of 6) 9-98-993-96 Take the guesswork out ofPrestone Antifreeze Coolant Tester is a professional do it yourself tester that easily tests for anti freeze anti boil protection. Allows visual inspection for rust and sediment. 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