Introducing the Donaldson safety air filter, meticulously engineered to meet ISO 5011 standards, ensuring top-tier performance and compliance with industry benchmarks. This filter stands as a reliable contingency in case of primary filter damage or incorrect installation, providing an added layer of safeguarding for your equipment. Its primary function is to bar contaminants from infiltrating the clean side of the air intake system during primary filter maintenance, ultimately prolonging the lifespan of your machinery. Noteworthy is its rapid plugging feature, which promptly notifies operators if any contamination manages to bypass the primary filter, allowing for swift corrective action. With a length of 8.78 inches, an inside diameter of 5.98 inches, and an outside diameter of 7.72 inches, this filter is tailored to deliver reliable and efficient filtration without compromising on safety.