Introducing the Donaldson safety air filter, an essential component meticulously engineered to ensure the integrity of your air intake system. This filter serves as a reliable backup in the event of primary filter damage or improper installation, ensuring uninterrupted operation. Its primary function is to act as a vigilant sentry, preventing contaminants from infiltrating the clean side of the air intake system during primary filter servicing. Engineered for swift response, it plugs rapidly if any contamination manages to breach the primary filter, promptly alerting operators to address the issue. Compliant with ISO 5011 standards, the Donaldson safety air filter stands as a testament to quality and reliability. Measuring 14.65 inches in length, with an inside diameter of 3.54 inches and an outside diameter of 4.37 inches, it's tailored for precise fit and optimal performance.