Elevate your engine's performance with Donaldson RadialSeal's primary air filter. This high-quality filter boasts a high-efficiency cellulose media, making it a powerhouse across a broad spectrum of heavy-duty engine applications. Its corrosion-resistant steel liners, coated for added protection, not only support the media during operation but also maximize airflow. The Pleatloc feature is the cherry on top, ensuring uniform pleat spacing and preventing media from bunching, which translates to a longer service life. Compliant with ISO 5011 standards, this filter is designed to exceed expectations. With a length of 18.9 inches, an inside diameter of 8.98 inches, and an outside diameter of 14.28 inches, Donaldson RadialSeal sets a new standard in engine filtration.