Introducing the Donaldson primary air filter, a reliable solution designed for heavy-duty engine applications. Crafted with high-efficiency cellulose media, it excels in a wide range of operational conditions. The filter's corrosion-resistant, coated steel liners play a crucial role in supporting the media during operation, optimizing airflow efficiency. Thanks to the innovative Pleatloc feature, you can rely on uniform pleat spacing, preventing media bunching and promoting an extended service life. With precise measurements of 23.00 inches in length, 5.40 inches in inside diameter, and 7.32 inches in outside diameter, this filter complies with ISO 5011 standards