Introducing the Donaldson safety air filter, an essential safeguard for your air intake system. This filter serves as a dependable backup in case of primary filter damage or improper installation, ensuring uninterrupted operation. It acts as a vigilant barrier, preventing contaminants from infiltrating the clean side of the system during primary filter servicing. Engineered with precision, it is designed to plug rapidly if any contamination bypasses the primary filter, providing a clear alert to operators. With precise measurements of 16.07 inches in length, 4.59 inches in inside diameter, and 6.28 inches in outside diameter, this safety filter meets ISO 5011 standards