Draper Tools Anti-Freeze Tester Cooling System

For Testing Methanol And Ethylene Glycol. With Green And White Scales. Green Scale Should Be Used When The Engine Is Hot And White Scale Should Be Used When The Engine Is Cold. Testing Range: Methanol -40°C -12°C, Ethylene Glycol -34°C -12°C. Manufactured With A Glass Tube, Pvc Bulb And Spout.