The Antifreeze Tester from Laser Tools® checks modern ethylene glycol antifreeze and features an easy-to-read hydrometer. Features a black bulb with six floating orange discs to show protection and any loss in efficiency.

Features and Benefits
• Simple to read coolant protection levels
• Can test hot and cold temperatures
• Suitable for testing OAT antifreeze
• Displays in both celsius and Fahrenheit for convenience