Removes hot air from smaller cabinets, credenzas, and lecternsCabinet cooler removes heat generated by components located in smaller cabinets, credenzas, lecterns, and entertainment centers. Thermostatically controlled to operate only when needed to extend fan life and minimize dust, this quiet-cooling device features an aesthetically designed vent that can be painted to match its environment. Dual version includes 2 fans driven by a single thermostat and single power supply.Removes heat from smaller cabinet areas to help extend equipment lifeTwo units rated 20 CFM each for a total of 40 CFM, at 27 dBACan be painted to match desired colorFan activates automatically at 87F (30.5C) and turns off at 85F (29C)Includes thermostatic controller and 12V power supply (120V input)