Introducing the Donaldson primary air filter, an exceptional choice for heavy-duty engine applications. This filter, with a substantial length of 24.02 inches, an inside diameter of 12.05 inches, and an outside diameter of 16.61 inches, is engineered with high-efficiency cellulose media, ensuring top-notch performance across a wide range of conditions. The corrosion-resistant, coated steel liners provide crucial support to the media during operation, maximizing airflow and contributing to efficient engine function. Furthermore, the Pleatloc feature ensures uniform pleat spacing, preventing media from bunching and ultimately extending the filter's service life.