The BK BKT GA3650 GA3700 GA3750 Replacement Fireplace Blower Fan Unit is designed for use with Desa, FMI, and other compatible fireplace devices. With a maximum rotational speed of 3000 RPM and an air flow capacity of 160 cubic feet per minute, this 3-pin unit operates at 120 volts with 1600 watts of power. Constructed from galvanized plate material, this forced air cooling method fan unit is lightweight at 3.2 pounds and has dimensions of 15″L x 3.5″W x 4″H. Perfect for maintaining a comfortable and warm environment in your home.