Dayton Shutter Mount Exhaust Fan, 20", 1 Speed, 4700 cfm, 115V 484X44

Shutter Mount Exhaust Fan, Assembled Assembled, Blade Diameter 20 in, Blade Material Aluminum, Drive Type Direct Drive, Duct Diameter Not Applicable, Exhaust Airflow @ 0.000 in SP 4,034 cfm, For Cut-Out Height 21 in, For Cut-Out Width 21 in, For Maximum Wall Thickness 6 in, For Minimum Wall Thickness 3 in, Frame Material Aluminum, Guard Finish Powder Coated, Guard Material Steel, Guard Type Intake, Housing Material Aluminum, Steel, Housing Finish Powder-Coated, Includes Intake Guard This item is banned in the following states: CA