Car Brake Fluid Liquid for DOT3 DOT4 Oil Tester Pen 5 LED Indicator Testing Tool

Car Brake Fluid Liquid Oil Tester Tool LED Indicator Tester Pen For DOT3 DOT4 UK. Testing DOT 3, DOT4, DOT5 brake fluid. Tester Instructions Tester Features 1, the green LED lights = water content in the brake fluid H2O <1.5%, brake fluid qualified.

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