Introducing the Donaldson safety air filter, a robust safeguard for your engine's longevity. With a length of 10 inches, an inside diameter of 2.25 inches, and an outside diameter of 3.38 inches, this filter serves as an invaluable backup in case of primary filter mishaps. It forms an impenetrable barrier, ensuring no contaminants breach the clean side of your air intake system during primary filter maintenance. In the event of contamination, it reacts promptly, plugging to alert operators. Compliant with ISO 5011 standards, you can trust its quality and reliability.