TPI BD362WHS Belt Drive Wholehouse Fan, Standard, 36" Size, 1/3 HP Motor, 3.1-6.3 Amps 2-Speed Motor Shutters Automatically Open when Fan is Turned On and Close Tightly when Fan is Turned Of 120 V Horsepower: 1/3 HP Dimensions: 40 Length X 41.5 Width X 14.5 Depth IN