Brand Name: Air Vent
*Height: 13 in.
*Width: 19 in.
*Length: 19 in.
*Diameter: 12 in.
*Finish: Mill
*Material: Steel
*Product Type: Turbine Head
*Shape: Circle
*Opening Dimension: 12 in.
*Vent Type: Wind Turbines
*CFM: 969 CFM
*Airflow: 15 CFM
*Area Vented: 95 sq. ft.
*Interior Louver: Yes