Requires a 19 square opening.
These easy-to-install, highly efficient exhaust fans come fully assembled with an automatic shutter, making them ideal for use in ventilating retail stores, offices, factories, garages and farm buildings.Motor Horsepower is 1/15. They are shipped fully assembled with 115 volt, 60 Hz, totally enclosed motors and OSHA-compliant polyester power coated wire guards. CFM is 1860.