Indoor/Outdoor Shutter Fan
) Indoor/Outdoor Shutter Fan from J&D Manufacturing provides exhaust to help remove heat, condensation and noise from barns and livestock buildings. Corrosion resistant aluminum shutter with tie bar to reduce shutter flapping and opening on windy days. Easy to install for great performance and smooth, quiet operation. Pre-wired with built-in 9' cord and switch for 115 volt power.