Introducing the Donaldson RadialSeal primary air filter, meticulously engineered to deliver exceptional performance across a diverse range of heavy-duty engine applications. Crafted with high-efficiency cellulose media, it ensures top-tier filtration without compromise. The corrosion-resistant, coated steel liners provide robust support to the media, enhancing airflow for optimal operation. The innovative Pleatloc feature maintains uniform pleat spacing, preventing media from bunching and thereby extending the filter's service life. With precise measurements of 21.60 inches in length, 5.48 inches inside diameter, and 8.84 inches outside diameter, this filter is tailored to meet your specific needs, ensuring reliable and efficient filtration.