Panasonic WhisperWall APPA08WQ1 Wall Mounted Bathroom Fan: * ENERGY STAR-qualified * 1.1 sone, quiet performance * Easy to install * Continuous, trouble-free operation for many years * Power consumption (watts): 18 at 0.03" * Speed (RPM): 660 at 0.03" static pressure * Duct diameter: 8" * Grille size: 10-1/8 sq in * Weight: 12.1 lbs