Introducing the Donaldson primary air filter, meticulously engineered to deliver exceptional performance across a wide range of heavy-duty engine applications. Crafted with high-efficiency cellulose media, this filter ensures reliable filtration. The corrosion-resistant, coated steel liners provide robust support to the media during operation, maximizing airflow efficiency. The innovative Pleatloc feature ensures uniform pleat spacing, preventing any media bunching and promoting an extended service life. With a length of 9.29 inches, an inside diameter of 4.65 inches, and an outside diameter of 7.99 inches, this filter offers a precise fit. It proudly adheres to the esteemed ISO 5011 standards. Trust in the Donaldson brand and its reliable cellulose media material for top-notch filtration.