Elevate 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 applications without making extravagant claims. The filter's corrosion-resistant, coated steel liners provide sturdy support to the media, maximizing airflow for optimal operation. The innovative Pleatloc feature ensures uniform pleat spacing, preventing any media bunching and promoting a longer service life. Standing up to the esteemed ISO 5011 standards, this filter with a length of 2.17 inches, an inside diameter of 6.50 inches, and an outside diameter of 8.00 inches, offers precision and reliability.