Discover the exceptional performance of the Donaldson primary air filter, featuring high-efficiency cellulose media that excels in a wide range of heavy-duty engine applications. Its corrosion-resistant, coated steel liners provide crucial support to the media during operation, ensuring maximum airflow efficiency. The innovative Pleatloc feature ensures uniform pleat spacing, preventing media bunching and promoting an extended service life. This filter proudly meets ISO 5011 standards, a testament to its quality and reliability. With precise dimensions of 15.35 inches in length, 8.70 inches inside diameter, and 15.08 inches outside diameter, it seamlessly integrates into your system.