Introducing the Donaldson primary air filter, meticulously designed to meet the esteemed ISO 5011 standards. This filter, crafted with high-efficiency cellulose media, excels across a wide range of heavy-duty engine applications. The corrosion-resistant, coated steel liners provide crucial support during operation, maximizing airflow efficiency. The innovative Pleatloc feature ensures uniform pleat spacing, preventing media from bunching and promoting an extended service life. With precise dimensions of 9.94 inches in length, 2.50 inches inside diameter, and 4.09 inches outside diameter, trust in Donaldson to deliver a dependable primary air filter tailored to your engine's needs.