HIGH-CAPACITY FAN: Ventilation fan operates on two impact-resistant centrifugal blower wheels at 701 CFM, 4.7 Sones, and 120V for a powerful and effective performance HEAVY-DUTY: Features a sturdy, 41.5" x 18.5" metal duct connector to provide long-lasting use CUSTOMIZATION: Fan ducts horizontally, vertically, or in-line with a separate adapter for your convenience EFFECTIVE: Automatic backdraft dampers and permanently lubricated motors provide continuous and quiet operation VERSATILE: Install fan in ceiling or wall -wherever it's needed most! Not for use over tub or shower
