Handheld Car Glycol Antifreeze Refractometer Battery Acid Engine Coolant Tester

Scale Range: ethylene glycol based: 32 to -84 degree F, propylene glycol based:32 to -60 degree F. Ethylene Glycol: -84~32°F,0~-50°C. Propylene Glycol: -60~32°F,0~-50°C. Handheld design and non-slip rubber handle for easy operation.

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