Description
8" round Inline Mixed Flow Duct Fan 647 CFM 115 1 60 Compatible With Duct 5in Airflow – Easy unrestricted airflow MFRG2420W HP Airflow – Easy unrestricted airflow for your HVAC system + Product Details Perfect Fit & Easy Sizing Designed for a 20" x 12" OR 12" x 20" duct opening (measured at the opening)