The Donaldson Primary Radial Seal Air Filter, with its radial seal design and round shape, is easy to install and provides superior filtration performance. The filter media material is made of high-quality cellulose, which ensures high efficiency and durability. The pleatloc feature ensures uniform pleat spacing, which maximizes the filter's performance and extends its lifespan. This air filter is also corrosion-resistant, making it ideal for use in harsh environments. Whether you're looking to improve your engine's performance or simply need a reliable air filter, the Primary Radial Seal Air Filter, is the perfect choice. FleetPride is your First Click in Heavy Duty®.