14''/16''/10''/12'' Exhaust Fan: Dimensions: 17.1 x 17.1 inch | Airflow: 1513 CFM (14'')/ 18.9 x 18.9 inch | Airflow: 1550 CFM(16'') /12.8 x 12.8 inch | Airflow: 820 CFM(10'')/15 x 15 inch | Airflow: 940 CFM(12'')| ETL Listed | Speed: 1600 rpm.
14''/16''/10''/12'' Exhaust Fan: Dimensions: 17.1 x 17.1 inch | Airflow: 1513 CFM (14'')/ 18.9 x 18.9 inch | Airflow: 1550 CFM(16'') /12.8 x 12.8 inch | Airflow: 820 CFM(10'')/15 x 15 inch | Airflow: 940 CFM(12'')| ETL Listed | Speed: 1600 rpm.