Thexton 106 Cold Chek Anti-Freeze Tester

Cold-Chek® Professional Anti-Freeze Tester. Large professional-size (16 1/4”) tester is accurate at all temperatures. Tests coolant, hot or cold. Celsius and Fahrenheit scales. Special feature is the “6th disc” which shows over protection and a loss of cooling efficiency. Beyond 70% antifreeze, cooling & corrosion effectiveness is reduced. Tests Dex-Cool, Prestone, Zerex, and long-life coolants.

• Disc-Type anti-freeze tester
• Large professional sized tester (16-1/4” long). Tests coolant hot or cold, including Dex-Cool®. Easy to read discs. Celsius and Fahrenheit scales.
• Special feature is the “6th Disc” which shows overprotection
• One-piece bulb and neoprene dip tube