Laser 4293 Ethylene Glycol Antifreeze Tester Disc Type

DescriptionEasy to read indicator designed for modern Ethylene Glycol antifreeze.Also suitable for use on OAT antifreeze.Number of floating discs indicates the level of coolant freeze protection.Tests both hot and cold coolant strength.Reads in Celsius and Fahrenheit.Floating orange disc shows over protection and loss of coolant efficiency.A 50/50 mixture of antifreeze and water will give full coolant protection and is suitable for most climates.Floating orange disc shows over protection and loss of efficiency.Bulb is Black, 6 discs. For Propylene Glycol antifreeze use Part No 4292.

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