The Donaldson Primary Radial Seal Air Filter, with a length of 387.50 mm and a round shape, is designed to fit perfectly and securely in place, even under heavy vibration. Made from high efficiency cellulose media, this air filter is capable of performing across a wide range of heavy duty engine applications. The cellulose material is also corrosion resistant, ensuring that the filter will last for a long time and maximize airflow. The Pleatloc feature of this air filter ensures uniform pleat spacing and prevents media from bunching, promoting a longer service life. With its reliable and leak resistant radial seal, the Primary Radial Seal Air Filter, is the perfect choice for anyone looking for a high quality air filter that will keep their heavy duty machinery running smoothly and efficiently. FleetPride is your First Click in Heavy Duty®.