Elevate your heavy-duty engine's performance with the Donaldson primary filter. Crafted with high-efficiency cellulose media, it excels across a broad range of applications. Its corrosion-resistant, steel liners ensure robust support during operation, optimizing airflow. The Pleatloc feature ensures uniform pleat spacing, preventing bunching and extending service life. Compliant with ISO 5011 standards, this filter measures 15.00 inches in length, 4.78 inches inside diameter, and 7.36 inches outside diameter.