Door Louver, Material Steel, Finish Gray Primer, Louver Opening Height 20 1/2 in, Louver Opening Width 20 1/2 in, Rough Opening Height 20 1/2 in, Outside Height 22 1/8 in, Outside Width 22 1/4 in, Free Area 1.6 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 38

The DAYTON door louver allows air movement through doors while maintaining privacy and security. Retrofit or use as original equipment in 1-3/8"- to 2-1/4"-thick wood or metal doors. Rugged metal construction with inverted V-style blades at a 45° angle. Each louver includes installation screws.<br /><br /> Item: Door Louver<br /> Type: Intake or Exhaust<br /> Louver Overall Height: 22-1/8"<br /> Louver Overall Width: 22-1/4"<br /> Flange Width (In.): 1-3/16<br /> Louver Cutout Height: 20-1/2"<br /> Louver Cutout Width: 20-1/2"<br /> Louver Door Thickness: 1-3/8" to 2-1/4"<br /> Louver Free Area: 1.580 sq. ft.<br /> Louver Material: Steel<br /> Louver Item: Door Louver<br /> Number of Blades: 38<br /> Finish: Gray Paint<br /> Blade Angle (Deg.): 45<br /> For Use With: New or Existing Doors<br /> Includes: Fasteners