Experience the pinnacle of filtration technology with the Donaldson RadialSeal primary air filter. Crafted with precision, this filter boasts high-efficiency cellulose media, delivering exceptional performance across a broad spectrum of heavy-duty engine applications. Its corrosion-resistant, coated steel liners provide vital support during operation, optimizing airflow for maximum efficiency. The innovative Pleatloc feature ensures uniform pleat spacing, preventing media from bunching and significantly extending the service life. This filter stands tall with ISO 5011 certification, a testament to its quality and effectiveness. With dimensions measuring 13.29 inches in length, 3.82 inches inside diameter, and 7.5 inches outside diameter, it's tailored for quality.