The Donaldson primary air filter is meticulously engineered with high-efficiency cellulose media, ensuring top-tier performance across a diverse range of heavy-duty engine applications. Its corrosion-resistant steel liners, coated to enhance longevity, play a vital role in supporting the media during operation, ultimately maximizing airflow. The innovative Pleatloc feature ensures consistent pleat spacing, effectively preventing media bunching and promoting an extended service life. This filter adheres to ISO 5011 standards, signifying its compliance with industry benchmarks. With a length of 6.38 inches, an inside diameter of 5.00 inches, and an outside diameter of 9.61 inches, it's tailored to deliver reliable and efficient air filtration.