Enhance your engine's performance with the Donaldson primary air filter. Crafted with high-efficiency cellulose media, it excels in a wide range of heavy-duty engine applications. The corrosion-resistant, coated steel liners provide crucial support during operation, maximizing airflow efficiency. The innovative Pleatloc feature ensures uniform pleat spacing, preventing media from bunching and ensuring a longer service life. This filter meets ISO 5011 standards and comes with precise dimensions of 2.75 inches in length, 7.62 inches inside diameter, and 10.25 inches outside diameter.