The Donaldson Primary Finned Air Filter is a top-of-the-line air filter designed to provide superior filtration for heavy duty engine applications. With its axial seal filter type and round shape, this air filter is easy to install and provides a tight seal against the air cleaner housing. Made from high-efficiency cellulose media, this air filter is designed to perform across a wide range of heavy duty engine applications. The cellulose media material is strong and pliable, ensuring that it can withstand even the toughest conditions. In addition to its superior filtration capabilities, the Donaldson Primary Finned Air Filter is also corrosion-resistant, ensuring that it will last . The Pleatloc feature ensures uniform pleat spacing and prevents media from bunching, promoting longer service life. Overall, this is a top-quality air filter designed to provide superior filtration and long lasting performance for heavy duty engine applications. FleetPride is your First Click in Heavy Duty®.