Product details:

The Copperfield Extra-Quiet Circulator Fan will help evenly distribute heat in your home, preventing hot and cold spots. Great for mounting on a doorway, this circulation fan transfers heat quickly to adjoining rooms. The Copperfield Extra-Quiet Circulator Fan is designed with a powerful 105 CFM fan for increased efficiency. The unit is 5 inch x 5 inch in dimension and includes a 12 ft. cord with an inline switch.