Elevate your engine's performance with the Donaldson primary air filter. Crafted to meet ISO 5011 standards, this filter is built to last. Its high-efficiency cellulose media excels across a broad spectrum of heavy-duty engine applications. The corrosion-resistant, coated steel liners provide robust support during operation, optimizing airflow. The innovative Pleatloc feature ensures uniform pleat spacing, preventing media bunching and ensuring a prolonged service life. With a length of 7.81 inches, inside diameter of 3.14 inches, and outside diameter of 6.06 inches, trust in Donaldson for reliable filtration.