Dayton Shutter Mount Exhaust Fan 20″ 1 Speed 3950 CFM 115V 484X42

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 3950 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