VERSITILE: Ventilation fan eliminates heat, humidity and unwanted smells inside the garage, kitchen, laundry room or rec room IN-WALL INSTALLATION: Requires cutting a hole in the wall; built-in on/off switch on the cover eliminates wiring to a switch; has a built-in exterior wall cap/vent, so no ducting needed for install; motor assembly offers a fast and easy twist-lock installation HIGH QUALITY, EFFICIENT OPERATION: Operates at 200 CFM to efficiently ventilate a one car garage or rooms up to 195 sq. ft. FEATURES: Galvanized steel housing for superior protection against the elements; built-in bird screen DIMENSIONS: 8" duct; fan housing measures 14.25" x 14.25" x 8" and adjusts to fit walls from 4.5" to 9.5" thick