The Donaldson Primary Radial Seal Air Filter, with a radial seal design and a 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 cellulose media type is designed to perform across a wide range of heavy duty engine applications, making it a reliable choice for your machinery. The Air Filter is also corrosion-resistant, ensuring that it will last for a long time even in harsh environments. The pleatloc feature ensures uniform pleat spacing, which maximizes the filter's surface area and improves its filtration efficiency. Overall, the air filter is a top-quality air filter that will keep your machinery running smoothly and efficiently. It is a must-have for anyone who wants to ensure the longevity and performance of their heavy duty engines. FleetPride is your First Click in Heavy Duty®.