Introducing the Donaldson RadialSeal primary air filter, meticulously crafted to deliver high-performance results across a diverse range of heavy-duty engine applications. Its high-efficiency cellulose media stands as a testament to its exceptional filtration capabilities. Engineered with coated steel liners that are corrosion-resistant, this filter provides robust support to the media during operation, ensuring maximum airflow. The innovative Pleatloc feature further enhances its longevity by maintaining uniform pleat spacing and preventing media bunching. Compliant with ISO 5011 standards, this filter is a reliable choice for those seeking quality and efficiency. With precise dimensions of 21.10 inches in length, 8.19 inches in inside diameter, and 12.52 inches in outside diameter, it seamlessly integrates into your system, promising top-notch performance in heavy-duty engine applications.