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- Designed for testing ethylene glycol based coolant and also suitable for OAT (Organic Acid Technology) antifreeze
- Trade professional unit accurate at all temperatures
- Easy to read floating discs in transparent heavy duty plastic tube
- Dual scale reads Celsius and Fahrenheit
- Special discs when a float indicate the level of coolant protection
- Assists in correcting coolant ratio for engines
- Heavy duty rubber bulb and rubber suction tube
- Temperature range: -37°C to -7°C
- Overall length: 360mm