This TPI attic mount dome ventilator is an excellent tool for removing the hot air trapped in your attic, significantly reducing cooling costs. U.S.A.Air Delivery (CFM) 1,080 Volts 120. * Vents up to 1600 sq. ft. * Single-phase motor * Safety fire link protected to minimize overheating * Automatic thermostat * Comes with insect and bird screen installed * Powder-coat metal dome and base * In black