Elevate the performance of your heavy-duty engine with the Donaldson primary air filter. Crafted with precision, it features high-efficiency cellulose media that excels across a wide spectrum of demanding applications. The filter's corrosion-resistant, coated steel liners provide robust support during operation, ensuring maximum airflow efficiency. Thanks to the innovative Pleatloc feature, consistent pleat spacing is maintained, preventing media from bunching and extending its service life. This filter proudly adheres to ISO 5011 standards, a testament to its quality and reliability. Standing at 26 inches in length, with an inside diameter of 9.48 inches and an outside diameter of 13.84 inches, it's engineered to meet the exacting needs of your engine system.