Introducing the Donaldson Extended Life primary air filter, a reliable solution engineered for heavy-duty engine applications. Its high-efficiency cellulose media ensures top-notch performance across a diverse range of conditions. The filter's corrosion-resistant, coated steel liners provide essential support, optimizing airflow for enhanced efficiency. The innovative Pleatloc feature maintains uniform pleat spacing, preventing media from bunching and promoting a longer service life. With precise measurements of 13.00 inches in length, 7.72 inches in inside diameter, and 12.09 inches in outside diameter, this filter complies with ISO 5011 standards, making it a dependable choice for your engine's filtration needs.