DOT 4 brake fluid, can be used with all conventional brake fluid bleeding devices. Mixable and compatible with high-quality synthetic brake fluids. The optimal period of use for this brake fluid is, however only ensured when it is used alone. It is recommended that the brake fluid be changed in accordance with the specifications from the vehicle manufacturer. SL6 is ideally suited for use in motor vehicle hydraulic brake and clutch systems for which a synthetic brake fluid is prescribed, such as ABS braking systems.