53847 Power Attic Ventilator, 300 W, 2100 sq-ft Net Free Ventilating Area, 1500 cfm Air, Steel, Black

Electric-powered attic vents use a thermostat and humidistat control to monitor heat and moisture buildup inside the attic. Featuring a low-profile dome, the power attic vent is unobtrusive when installed on the roof slanting away from the front of your home. It's an efficient option to replace wind turbines or roof pots already in place. Electric-powered attic vents use a thermostat to fight heat and a humidistat control to help prevent moisture buildup inside the attic. Roof-mount power attic ventilators are available in several cfm capacities and dome colors that blend with the color of your roof shingles.