Elevate your engine's performance with the Donaldson primary air filter. Crafted with high-efficiency cellulose media, this filter excels in heavy-duty engine applications. Its corrosion-resistant, coated steel liners provide robust support, ensuring maximum airflow during operation. The innovative Pleatloc feature maintains uniform pleat spacing, preventing media from bunching and promoting an extended service life. Compliant with ISO 5011 standards, this filter is a testament to quality and reliability. With dimensions of 26.00 inches in length, 8.38 inches inside diameter, and 12.74 inches outside diameter, it's engineered to fit seamlessly into your system, making it an essential addition for any discerning user.