Experience exceptional filtration performance with the Donaldson primary air filter. Crafted with high-efficiency cellulose media, it excels in heavy-duty engine applications, ensuring optimal protection. The corrosion-resistant, coated steel liners not only support the media during operation but also enhance airflow efficiency, maximizing engine performance. The innovative Pleatloc feature ensures uniform pleat spacing, preventing media from bunching and extending its service life. This filter meets ISO 5011 standards, attesting to its high quality and reliability. With a length of 14.33 inches, inside diameter of 5.19 inches, and outside diameter of 9.54 inches, it seamlessly integrates into your system, providing superior filtration.