Check that your vehicle is protected with this easy to read indicator, designed for modern Ethylene Glycol antifreeze. Number of floating discs indicates level of antifreeze protection. Tests at hot and cold temperatures and reads in Celsius and Fahrenheit....

Suitable for testing Propylene Glycol coolant (anti-freeze) density. The five floating discs enable accurate readings in both Celsius and Fahrenheit as well as testing hot and cold and measuring the condition of the anti-freeze. Contents: ...

This tool can be used to test the ethylene glycol anti-freeze density, and the six floating discs enable accurate reading in both celsius and fahrenheit. This model is capable of testing both hot and cold coolant strengths.