Aokuy Antifreeze Refractometer, Hand Refractometer, Coolant Tester for Ethylene Glycol, Propylene Glycol, Freezing Point of Cooling Water Windscreen Water AdBlue Battery Acid, Urea Concentration of

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🔧 Test with Confidence: Your Coolant's Best Friend!

The Aokuy Antifreeze Refractometer is a high-quality hand-held device designed for precise measurement of ethylene glycol and propylene glycol concentrations in various cooling systems. With a durable chrome-plated brass body, it offers superior resistance to chemical corrosion and wear, ensuring longevity and reliability. Its compact size and battery-free operation make it an essential tool for automotive and industrial applications.