Discover the Donaldson primary air filter, an exceptional choice for heavy-duty engine applications. Crafted with high-efficiency cellulose media, it ensures reliable performance across a wide range of scenarios. The corrosion-resistant, coated steel liners provide robust support to the media during operation, optimizing airflow for enhanced efficiency. The innovative Pleatloc feature ensures uniform pleat spacing, preventing media from bunching and promoting an extended service life. This filter meets ISO 5011 standards, reflecting the commitment of the Donaldson brand to quality and excellence. With dimensions of 10.6 inches in length, 3.48 inches in inside diameter, and 6.08 inches in outside diameter, it's designed to meet the demands of heavy-duty engines with precision and reliability.