10 In. 820 CFM Aluminum Silver Electric Power Gable Mount Attic Fan Shutter Exha
820 CFM Aluminum Silver Electric Power Gable Mount Attic Fan Shutter Exhaust Fan for Attic, Garage, Louvered Vent. Mounting Position Gable Mount. Airflow (CFM) 820. Suitable to use in warehouses, barns or garages This louvered fan features corrosion-resistant aluminum louvers and blades.