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Test brake fluid water content and estimated boiling point for DOT3 and DOT4 brake fluids. As part of the regular maintenance interval, many automobile manufacturers recommend routine brake fluid inspection. However, there was never an easy, inexpensive means for testing it; until now. A Brake Fluid Refractometer represents the most precise field testing means available to determine the water content and estimated boiling point of automotive brake fluids.

See: Brake Fluid Refractometer Page for More Options >