Introducing the Donaldson primary air filter, meticulously designed to enhance the performance of heavy-duty engines. Crafted with high-efficiency cellulose media, it excels across a wide spectrum of applications. The filter features corrosion-resistant, coated steel liners that provide steadfast support during operation, maximizing airflow and ultimately boosting engine efficiency. The innovative Pleatloc feature ensures uniform pleat spacing, preventing media from bunching and promoting an extended service life. This filter proudly adheres to ISO 5011 standards, a testament to its quality and reliability. With a length of 9.89 inches, an inside diameter of 6.38 inches, and an outside diameter of 7.94 inches, it's engineered for precision.