4 Inch Wall Mount Bathroom Exhaust Fan, Plug in Wall Exhaust Fan, 12W 77 CFM Bat
The fan operates with a low power consumption of 12W, which reduces your electricity bill. You can easily install the fan on a wall or window indoors (except external windows) with screws or glue. The fan’s air outlet is equipped with a detachable backdraft damper, which prevents air and unwanted critters from flowing back when closed.