Introducing the Donaldson primary air filter, meticulously engineered with high-efficiency cellulose media, ensuring exceptional performance across a wide range of heavy-duty engine applications. The filter is equipped with corrosion-resistant, coated steel liners that provide robust support to the media, optimizing airflow during operation. Additionally, the innovative Pleatloc feature ensures uniform pleat spacing, preventing media from bunching and promoting a longer service life. It is also compliant with ISO 5011 standards. With a length of 20.63 inches, an inside diameter of 7.72 inches, and an outside diameter of 14.02 inches, this filter is designed for dependable filtration.