Presenting the Donaldson primary air filter, meticulously designed to meet ISO 5011 standards, ensuring reliable and efficient filtration for heavy-duty engine applications. With a 10-inch length, 6.59-inch inside diameter, and 9.22-inch outside diameter, this filter seamlessly integrates into various systems. The high-efficiency cellulose media is the cornerstone of its exceptional performance, catering to a wide range of demanding environments. Additionally, the corrosion-resistant, coated steel liners provide vital support to the media, maximizing airflow for optimal operation. The Pleatloc feature further enhances durability by maintaining uniform pleat spacing, preventing media from bunching, and ultimately extending the filter's service life.