Exhaust Fan, Assembled Assembled, Blade Diameter 20 in, Blade Material Polypropylene, Drive Type Direct Drive, Exhaust Airflow @ 0.000 in SP 4, 920 cfm, For Cut-Out Height 21 1/2 in, For Cut-Out Width 21 3/8 in, For Minimum Wall Thickness 3/4 in, Frame Material Fiberglass, Guard Finish Powder Coated, Guard Material Steel, Guard Type Intake, Housing Material Aluminum, Includes Intake Guard, Includes Dehumidistat No, Maximum Airflow 4, 900 cfm. This item has been restricted from sale in the following state (s): []