Reliable and robust, the Donaldson RadialSeal primary filter, with a length of 16.22 inches, inside diameter of 4.17 inches, and outside diameter of 8.19 inches, is engineered to maintain integrity even amidst heavy vibrations. Designed with high-efficiency cellulose media, it caters to a wide array of heavy-duty engine applications. Its corrosion-resistant steel liners, coated for extra protection, ensure optimal airflow throughout operation. The Pleatloc feature maintains uniform pleat spacing, preventing media bunching and ultimately extending its service life. With adherence to ISO 5011 standards, this filter delivers quality.