Introducing the Donaldson primary air filter, a reliable choice that adheres to ISO 5011 standards. Crafted with precision, this filter features high-quality cellulose media for efficient filtration. Its compact size, measuring 2.52 inches in length, 4.09 inches in inside diameter, and 5.75 inches in outside diameter, ensures a snug fit. The filter is designed to maintain optimal airflow while preventing contaminants from entering the engine.