The SMITTY'S SUPPLY SUPER S heavy duty antifreeze / engine coolant is specifically formulated to provide engine protection during extreme temperatures, ensuring reliable performance. Designed for heavy duty applications, it is ideal for use in commercial and industrial engines. This product reduces the risk of corrosion, which contributes to extending the lifespan of engine components. Engineered to facilitate optimal heat transfer, it supports rapid engine cool-down. It consistently maintains freezing and boiling points, providing effective year-round performance.