Introducing the Donaldson RadialSeal safety air filter, meticulously designed to provide ultimate protection for your engine. This filter stands as a reliable backup in case of primary filter damage or improper installation, ensuring uninterrupted operation. It acts as a steadfast barrier, preventing contaminants from infiltrating the clean side of the air intake system during primary filter servicing. Engineered to swiftly alert operators in the event of contamination bypassing the primary filter, it ensures timely action. Compliant with ISO 5011 standards, you can trust in its quality and performance. With a length of 19.53 inches, an inside diameter of 5.15 inches, and an outside diameter of 6.75 inches, it's crafted to precision.