Introducing the Donaldson primary air filter, a product that upholds ISO 5011 standards without extravagant claims. Crafted with high-efficiency cellulose media, it excels across a wide spectrum of heavy-duty engine applications. The corrosion-resistant steel liners, complemented by a protective coating, provide robust support during operation, maximizing airflow for optimal efficiency. The innovative Pleatloc feature ensures uniform pleat spacing, preventing media from bunching and ensuring a prolonged service life. With a length of 29.02 inches, an inside diameter of 9.96 inches, and an outside diameter of 13.90 inches, this filter is a testament to quality and dependability.