Product details:

Guard-Mounted Exhaust Fan, Assembled Assembled, Blade Diameter 7 in, Blade Material Aluminum, Drive Type Direct Drive, Duct Diameter Not Applicable, Exhaust Airflow @ 0.000 in SP 288 cfm, For Maximum Wall Thickness 6 in, For Minimum Wall Thickness 3 in, Frame Finish Powder Coated, Frame Material Steel, Guard Finish Powder Coated, Guard Material Steel, Guard Type Intake, Housing Material Steel, Housing Finish Powder-Coated, Includes Intake Guard, Includes Dehumidistat No, Maximum Airflow 288 cfm