Automotive Brake Fluid Tester (DOT / ENV) DOT 3 DOT 4 |DOT 5.1 ENV4 ENV6 ET1333BThis pen style tool tests the percentage of water in brake fluid and evaluates key chemical profiles essential for modern brake fluids. The updated version now supports five fluid types covering both traditional DOT variants and ENV (Bosch). Ideal for quick and reliable brake fluid checks. Colour coded LEDs show water level Compatible with DOT 3 DOT 4 DOT 5. 1 ENV4 (Bosch) ENV6 (Bosch) Not suitable for silicone based DOT 5. 0 1x AAA Battery included
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