Opus Brake Fluid DOT 4 is a high-quality choice for maintaining the hydraulic systems of vehicles. Its formulation, combining polyglycol ethers, glycol ether borate esters, and polyglycols, suggests a blend engineered for optimal performance and durability under braking conditions. The inclusion of corrosion and oxidation inhibitors further enhances its ability to withstand the harsh operating environments within brake systems. Overall, it seems like a reliable option for vehicles requiring DOT 4 brake fluid
