Introducing the Donaldson Extended Life primary air filter, a reliable choice for heavy-duty engine applications. Engineered with high-efficiency cellulose media, it excels in various demanding conditions. The filter's corrosion-resistant, coated steel liners provide crucial support during operation, optimizing airflow. Thanks to the Pleatloc feature, pleat spacing remains uniform, preventing media from bunching and ensuring a longer service life. With precise measurements of 9.00 inches in length, 6.94 inches in inside diameter, and 10.41 inches in outside diameter, this filter complies with ISO 5011 standards, making it a dependable option for your engine's filtration needs.