We have been using these fans for ventilating range hoods, crawl spaces, and other difficult spots for about 20 years! At 98 cfm at .2" w.g. and only 19 watts it is an Energy Star™ rated, "green building" product.
The RVF4 fan-in-a-hood mounts on the outside wall, taking the fan noise out of the room. The powder coated and paintable, galvanized steel housing protects the dependable external rotor motor from the elements. It is lightweight, compact, and simple to install. The housing is removable after installation for access to the motor and wiring connections.
