1450 CFM SIlver Electric Powered Gable Mount Electric Attic FanThe GAF Master Flow EGV5 Gable Mount Attic Ventilators are a great choice for exhaust ventilation. They are typically easier to install and won't detract from the appearance of your roof. They can quickly remove a larger volume of hot and or humid air from your attic, compared to static ventilation, which helps save money on your heating and cooling costs. The EGV5, Power Gable Mount Vent can move air at a rate of up to 1450 cu. ft. per minute. For