18 Inch 5 Wings Exhaust Fan Blades we deal in are utilized to convey power from a source and enable a good movement of air. They are made to transmit power by transforming rotational movement into force. These blades are suited for industrial as well as commercial uses and enable the removal of odors, grease, moisture and smoke. They can be used in the bathrooms, showers, baths and others. 18 Inch 5 Wings Exhaust Fan Blades allow for advanced air delivery. They can spread the air in the entire room.