Discover the exceptional performance of the Donaldson primary air filter, meticulously engineered for heavy-duty engine applications. Its high-efficiency cellulose media ensures optimal operation across a diverse range of conditions. The filter's corrosion-resistant, coated steel liners provide crucial support to the media, enhancing airflow efficiency during operation. With the innovative Pleatloc feature, you can trust in consistent pleat spacing, preventing media bunching and extending its service life. Measuring precisely at 7.76 inches in length, with an inside diameter of 3.38 inches and an outside diameter of 6.10 inches, this filter meets the esteemed ISO 5011 standards