8 inch Diameter Aura Gravity Ventilator with 2 Inch Tall Collar
Active Ventilation Aura Vent 113 NFA 12 in. Mill Finish Aluminum Roof Turbine Alternative Static Roof Vent with Louver Design AV-12-C2 - The Home Depot
Replace your Roof Turbine Vent with The Aura Gravity Ventilator