Product Details: The Baldwin 5-13/32" Controlled Release Spin-on Coolant Filter is a high-quality filtration system designed to maintain the performance and longevity of your engine. The filter is specifically engineered to remove contaminants, such as dirt, rust, and debris, from your coolant system, ensuring that your engine remains clean and efficient. The filter features a unique controlled release technology that provides superior filtration efficiency and extends the life of the filter. This technology enables the filter to release a controlled amount of additive into the coolant system. This helps to prevent rust and corrosion, successfully protecting the engine from wear and tear. FleetPride is your First Click in Heavy Duty®.