4" Deep High Performance Standard Blade Louver

is a 4" deep high performance louver with a standard blade. This louver style is ideal for a clean architectural appearance where high free areas and/or lower pressure drop through the louver is required. If you are intending the louvers to be used for general ventilation or air exhaust, this is the right choice. Deeper framed models are also available (E6JP).


  • Made to order in sizes 12" wide x 12" high up to unlimited size
  • Made from heavy gauge 0.081" thickness aluminum extrusion
  • 4" frame depth, channel frame
  • 3" blade spacing
  • Standard blade
  • Internal Screen (Bird Screen)


  • 58.4% free area for a 48" wide x 48" high louver
  • 960 fpm free area velocity - First Point of Water Penetration
  • 30 psf wind load design
  • 3.85 pounds per square foot average weight


  • A variety of metal finishes including paint and anodizing
  • Insect Screen (replaces bird screen)
  • Mounting: flange frame, glazing channel frame, "J" channel frame
  • Special shapes for architectural appeal
  • Higher wind load ratings
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