The Donaldson Primary Round Air Filter is a high-quality air filter that provides superior filtration for heavy duty engines. Its axial seal and pliable gasket create a tight seal against the air cleaner housing, ensuring only clean air enters the engine. Made from high-efficiency cellulose media, this filter has a pleated design that increases dust holding capacity and filter life. The Pleatloc feature maintains uniform pleat spacing and prevents media from bunching, promoting longer service life. With a length of 673.20 mm and a round shape, this filter is easy to install and fits a variety of engine applications. FleetPride is your First Click in Heavy Duty®.