Meet the Donaldson safety air filter, an essential component designed to safeguard your engine. This filter serves as a crucial backup in case of primary filter damage or improper installation. It acts as a formidable barrier, preventing contaminants from infiltrating the clean side of the air intake system during primary filter servicing. Additionally, the filter is engineered to plug rapidly if any contamination manages to bypass the primary filter, promptly alerting operators about a potential issue. Rest assured, the Donaldson safety air filter is compliant with ISO 5011 standards, offering you reliable protection. With a length of 11.16 inches, an inside diameter of 1.97 inches, and an outside diameter of 2.76 inches, it ensures a precise fit for optimal performance.