Elevate your engine's performance with the Donaldson primary air filter. Crafted with high-efficiency cellulose media, it excels in a wide array of heavy-duty applications. The filter boasts corrosion-resistant, steel liners coated to ensure optimal airflow and support during operation. Thanks to the innovative Pleatloc feature, you can count on uniform pleat spacing, preventing media bunching and promoting a longer service life. This filter adheres to ISO 5011 standards, a testament to its quality and efficiency. With dimensions of 22.24 inches in length, 7.52 inches inside diameter, and 12.52 inches outside diameter, it's a reliable choice for superior filtration.