Car Battery Hydrometer Tester for Antifreeze Liquid

【Accuracy Testing】Measures the freezing and boiling points of coolant with °C/°F scales, ensuring optimal accuracy in both winter and summer for your vehicle.
【Durable Construction】Made of high-quality ABS and rubber for long-lasting wear resistance, with a neoprene-tipped bulb for easy fluid sampling.
【Instant Results】The one-piece bulb quickly dispenses the fluid, while the floating discs display specific variations in seconds.
【Clear Visibility】The clear glass tube reveals the coolant color, rust, or deposits, helping to easily diagnose engine condition.
【Versatile Use】Ideal for analyzing automotive antifreeze, electrolyte, and acid, with a calibrated indicator for easy reading.