The Maxx Air 24 In. Exhaust Fan can be used in a garage, barn, greenhouse, warehouse, and a variety of other agricultural and industrial locations to quickly remove unwanted odors, dust and humidity, and refresh stale or warm air in your space. This metal wall exhaust fan is constructed of a sturdy 20 gauge steel housing with aluminum shutter louvers, a safety grille and a totally enclosed, thermally protected motor. Arrives fully assembled, just mount to your desired building wall and wire into your electrical system to complete installation. Pair this vent fan with our adjustable thermostat with firestat (XXFIRESTAT) for greater operational control and safety.