Introducing the Donaldson safety air filter, your ultimate backup solution in case of primary filter mishaps. It's engineered to prevent contaminants from infiltrating the clean side of your air intake system during primary filter servicing. Should any contamination breach the primary filter, the Donaldson safety air filter is designed to swiftly plug, providing a crucial alert to operators. With dimensions of 20.87 inches in length, 6.10 inches inside diameter, and 7.32 inches outside diameter, this safety filter offers robust protection without compromise. Trust in Donaldson for dependable filtration solutions.