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iLiving - 24" Wall Mounted Exhaust Fan - Automatic Shutter - Variable Speed - Vent Fan For Home Attic, Shed, or Garage Ventilation, 4244 CFM, 6200 SQF Coverage Area (Power Cord Not Included) - Amazon.com
Amazon.com: iLiving - 30" Wall Mounted Shutter Exhaust Fan - Automatic Shutter - Single Speed - Vent Fan For Home Attic, Shed, or Garage Ventilation, 5088 CFM, 7500 SQF Coverage Area, Silver (