Introducing the Donaldson primary air filter, a reliable solution for heavy-duty engine applications. This filter is equipped with high-efficiency cellulose media that ensures precise filtration across a wide range of scenarios. Supported by corrosion-resistant, coated steel liners, it maximizes airflow efficiency during operation. The innovative Pleatloc feature maintains uniform pleat spacing, preventing media from bunching and ultimately promoting a longer service life. Compliant with ISO 5011 standards, you can trust in the quality and reliability that Donaldson consistently delivers. With a length of 13.01 inches, an inside diameter of 6.04 inches, and an outside diameter of 9.57 inches, it's tailored for precision and efficiency.