"This Tjernlund Fresh Air Fan with Hood brings controlled fresh air into your home, shop or garage. U.S.A. Air Delivery CFM 75, Speeds qty. 1, Dimensions W x D x H in. 16 x 16 x 9, Watts 18, Power Cord ft. 6. Helps replace air in rooms with exhaust fans, wood-burning stoves and fireplaces and freshens air in unoccupied homes Includes 4in. screened intake hood and a plug-in fan with 6-ft. power cord and 4in. duct connections 75 CFM 18 Watts"