Introducing the Donaldson RadialSeal primary air filter, engineered with precision and adhering to ISO 5011 standards. Our filter features high-efficiency cellulose media, delivering top-notch performance across a broad spectrum of heavy-duty engine applications. The corrosion-resistant, steel liners, coated for enhanced durability, provide crucial support to the media during operation, ensuring maximum airflow efficiency. Moreover, the innovative Pleatloc feature maintains uniform pleat spacing, preventing media bunching and thereby promoting an extended service life. With a length of 15.09 inches, an inside diameter of 4.17 inches, and an outside diameter of 8.18 inches, this filter stands as a testament to quality and reliability.