Introducing the Donaldson RadialSeal primary air filter, an exceptional solution designed for heavy-duty engine applications. Its high-efficiency cellulose media ensures precise filtration while maintaining optimal airflow. Engineered with corrosion-resistant, coated steel liners, this filter maximizes airflow efficiency, ensuring your engine operates at peak performance. The innovative Pleatloc feature maintains uniform pleat spacing, preventing media from bunching and thus promoting a longer service life. Compliant with ISO 5011 standards, the Donaldson RadialSeal primary air filter stands as a symbol of quality and reliability. Measuring 20.08 inches in length, with an inside diameter of 5.82 inches and an outside diameter of 11.09 inches, it offers a tailored fit for consistent, dependable performance.