Prolong the life of composition roof shingles with lower summer attic temperatures. Help protect attic insulation against mold and mildew in winter by removing moisture-filled air. This is a 1300 cfm power attic gable mount ventilator with a 2.6 A draw, thermally protected motor, a galvanized steel flange and an automatic thermostat. It mounts easily in the gable of your home, behind existing louvers or any other gable louvers of your choice. It will provide ventilation without modifying your roofline or where roof-mounting is impractical.