Thexton Antifreeze Tester Propylene Glycol Pocket Type

Features and Benefits:

• For testing propylene glycol-based antifreeze in automotive radiators and freshwater system in RV's and boats
• Accurate to -50 degrees F
• Ball float to show freeze protection
• Tests coolant hot or cold
• Pocket protector

Break-resistant tube Pocket protector shows temperature protection scale Balls will float to show freeze protection.