Introducing Donaclone, the epitome of reliable air filtration. With an actual width/size of 17.99 inches, a length of 19.68 inches, and an outside diameter of 15.98 inches, this air cleaner filter is meticulously designed to seamlessly integrate into your air cleaning system. As an air cleaner filter, Donaclone ensures a maximum air flow of 37.4 m3/min (1321 cfm), promoting a balanced and consistent circulation of clean air. The final resistance at FPM is set at 10 inches H2O, ensuring an optimal balance between efficient filtration and smooth airflow.