Amazon
For testing ethylene glycol coolant (anti-freeze) density Six floating discs enable accurate reading in both celsius and fahrenheit Range -7 to -37 °C/+25 - 34 °F Suitable for testing both hot and cold coolant strengths Draper lifetime
For testing ethylene glycol coolant (anti-freeze) density Six floating discs enable accurate reading in both celsius and fahrenheit Range -7 to -37 °C/+25 - 34 °F Suitable for testing both hot and cold coolant strengths Draper lifetime