Introducing the Donaldson primary air filter, meticulously engineered to deliver high-efficiency performance across a diverse range of heavy-duty engine applications. Crafted with corrosion-resistant, coated steel liners, this filter not only provides robust support to the media during operation but also facilitates maximum airflow for enhanced efficiency. The innovative Pleatloc feature ensures uniform pleat spacing, preventing media from bunching and extending the filter's service life. Compliant with ISO 5011 standards, you can trust in the quality and reliability that Donaldson brings to every product. Measuring at 14.37 inches in length, with an inside diameter of 7.51 inches and an outside diameter of 11.9 inches, this filter is a precision-engineered solution for demanding engine environments.