Door Louver, Material Steel, Finish Gray Primer, Louver Opening Height 10 1/2 in, Louver Opening Width 20 1/2 in, Rough Opening Height 10 1/2 in, Outside Height 12 1/8 in, Outside Width 22 1/4 in, Free Area 0.8 sq ft, Flange Width 1 1/4 in, Maximum Door Thickness 2 1/4 in, Minimum Door Thickness 1 3/8 in, Rough Opening Width 20 1/2 in, Blade Angle 45 Degrees, Adjustable Blades No, Intake or Exhaust Application Exhaust, Intake, Includes Fasteners, Number of Blades 18.
This item has been restricted from sale in the following state (s): []