Air Vent AirHawk Turbine

Dual ball bearing system assures long-lasting quiet operation Multiple roof vents are usually needed to provide the required net free area Must be spaced equally over the roof to provide sufficient airflow along the entire roof sheathing Like roof vents, turbines must always be used with adequate soffit venting to meet minimum ventilation code requirements Homeowners should not be instructed to cover turbines in the winter because that would prevent the needed ventilation Two-piece base Large flashing allows for easy installation Aluminum construction NFA (square inches): 95/pc 12 inch opening