"This Canarm Wall Exhaust Fan is an efficient, easy-to-install, low-maintenance solution for keeping room air fresh. Speed RPM 1,600, HP 1/40, Dimensions L x H in. 15 1/4 x 15 1/4, Amps 0.5, Air Delivery CFM 690, Needs to be Hardwired Yes, Speeds qty. 2, Dimensions L x W x H in. 15 1/4 x 10 x 15 1/4, Fan Diameter in. 10, Volts 115. Totally enclosed and thermally protected motor Galvanized blades are well-balanced for durability and efficiency Heavy wire chrome-plated OSHA guards Rugged steel welded box housing with durable powder-coated finish Aluminum louver shutters with long life nylon bushing"