The Acustrip Company Brake Fluid Check is designed to evaluate the condition of the fluid as well as the protection level of the additive package against corrosion of in-service DOT 3, DOT 4, and DOT 5.1 brake fluid. Through regular monitoring, identifying an acidic brake fluid is likely to catch an issue before it results in costly brake component failure. Service providers can identify often missed service needs through regular fluid condition monitoring. The company recommends making fluid Inspection part of the shops regular service. Brake Fluid Check is available in bottles of 100 (No. 61100) or packages (No. 61105).