This Canarm Shutter-Mounted Exhaust Fan offers powerful ventilation for factories, garages, warehouses and industrial and commercial buildings. Fan Diameter (in.): 24, Air Delivery (CFM): 5,520, HP: 1/3, Volts: 115/230, Dimensions L x W x H (in.): 28 3/4 x 14 x 28 3/4, Needs to be Hardwired: Yes, Depth (in.): 5, Dimensions L x H (in....