Elevate the performance of your heavy-duty engines with the Donaldson RadialSeal primary air filter. Crafted with high-efficiency cellulose media, it excels across a wide range of applications, ensuring optimal filtration. The corrosion-resistant steel liners provide robust support, maximizing airflow during operation. Thanks to the Pleatloc feature, uniform pleat spacing is maintained, preventing media from bunching and thereby promoting a longer service life. This filter adheres to ISO 5011 standards, attesting to its quality and reliability. With a length of 20.04 inches, inside diameter of 4.61 inches, and an outside diameter of 8.15 inches, it's tailored to fit seamlessly into your system.