The DONALDSON cellulose media type obround primary air filter features durable cellulose media that enhances filtration efficiency, capturing more particles. Its obround shape maximizes filter surface area, allowing for improved airflow. Precision engineering guarantees a snug fit in compatible filter housings, contributing to effective particle retention that extends the lifespan of engine components. It is designed to manage high dust-holding capacity, suitable for off-road applications where air quality demands are high.