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Description
  • FG-4004PH-B Formed Steel Louver Penthouse Mulled Panels with Boxed Corners (4" Fixed 45° Standard Blades)
  • FG-4004PH-M Formed Steel Louver Penthouse Continuous Blade Section with Mitered Corners (4" Fixed 45° Standard Blades)
  • FX-4004PH-B Extruded Aluminum Louver Penthouse Mulled Panels with Box Corners (4" Fixed 45° Standard Blades)
  • FX-4004PH-M Extruded Aluminum Louver Penthouse Continuous Blade Sections with Mitered Corners (4" Fixed 45° Standard Blades)