Introducing the Donaldson Extended Life primary air filter, a dependable choice for heavy-duty engine applications. Crafted with high-efficiency cellulose media, it ensures exceptional performance across a broad range of demanding conditions. The corrosion-resistant, coated steel liners provide crucial support during operation, 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 16.00 inches in length, 9.47 inches in inside diameter, and 13.84 inches in outside diameter, this filter adheres to ISO 5011 standards, making it a reliable option for your engine's filtration needs.