Introducing the Donaldson RadialSeal primary air filter, engineered to deliver top-tier performance in heavy-duty engine applications. Crafted with high-efficiency cellulose media, it stands as a stalwart defender against contaminants. The corrosion-resistant steel liners provide robust support during operation, optimizing airflow for maximum efficiency. With the innovative Pleatloc feature, this filter ensures uniform pleat spacing, preventing media from bunching and extending its service life. Meeting ISO 5011 standards, you can trust in the quality and reliability of this filter. With a length of 15.15 inches, inside diameter of 5.15 inches, and outside diameter of 9.33 inches, it's designed for precision and excellence.