Features and Benefits:
- 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!