Large professional-size (16 1/4") tester is accurate at all temperatures
Tests coolant, hot or cold
Easy to read discs are magnified by convex design of the clear SAN plastic barrel
Protection scale is printed in both Celsius and Fahrenheit
Beyond 70% anti-freeze, cooling and corrosion effectiveness is reduced
One-piece bulb and neoprene dip tub
This large professional-size tester is accurate at all temperatures and is used to test coolant, hot or cold. It has a special feature, the 6th disc shows overprotection and a loss of cooling efficiency. Made with the durability to last!
