Introducing the Donaldson primary air filter, meticulously designed to meet ISO 5011 standards. Crafted with high-efficiency cellulose media, it excels in a diverse range of heavy-duty engine applications. The corrosion-resistant, steel liners with a special coating provide robust support to the media, ensuring optimal airflow. Thanks to the innovative Pleatloc feature, you can expect uniform pleat spacing, preventing media bunching and promoting an extended service life. With a length of 16 inches, inside diameter of 3.57 inches, and outside diameter of 7.93 inches, this filter delivers quality.