return-air-grilles
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  • metal return air grilles
    • Opera grilles
      • typical installation
      • pix of various sizes
      • with black paint
      • back view
      • outside dimensions
      • louver operation
      • louver detail
      • looking through damper
    • Bell Foundry style
      • Bell Foundry in oil rubbed bronze
      • Bell Foundry in nickel
      • Bell Foundry in burnished bronze
      • finish options
    • Signal Hill
    • Monarch style
    • Coronation
    • Sunset Boulevard
    • filter units for cast metal grilles
    • Turn of the Century collection
      • overview
      • standard grilles
        • Keyhole style grille
        • Mackintosh
        • Capistrano
        • Notre Dame
        • Queen Anne style
        • Classic grid
        • Herringbone
        • Historic
        • City Center
        • Early Days
        • Casablanca
        • Italian Villa
        • Oak Park
        • Rondel
        • Traditional Block
        • Escher
        • New Orleans
        • Cross and Clover
      • with integrated filter/frame
      • round air returns
      • available finishes
      • quick view of the 18 designs
      • how to operate damper
      • installed pix
    • Industrial warehouse style
    • Pickford
      • Honeycomb
      • Basketweave
      • Mission
      • Teardrop
  • wood return air grilles
    • Olympia grilles
      • product pix
      • before & after pix
      • how to install pix
      • pdf install instructions in new window
    • Geometric grilles
      • view all available patterns
      • standard geometric grilles
        • overview
        • available styles
          • Circles and Splash
          • Triangulation
          • Domes
          • Quatrefoil
          • Como Block
          • Celtic Cross
          • Gothic
          • Prairie
          • Victorian
          • Grid
          • Teardrop
          • Basketweave
          • Bungalow
          • Halifax
          • Boulevard
          • Main Street
          • Revival
          • Cafe
          • Hallmark
          • Tudor
          • Landmark
          • Twill
          • Rectangle
          • Cloverleaf
          • Mission
        • round grilles
        • installation pix
        • typical side view
      • geometric with built in filter
        • filter/frame overview
        • detailed pictures
        • geo filter with frame pricing
        • pdf installation guide
      • flush mount style
        • overview
        • flush mount pix
        • pdf installation guide
      • laminated baseboard style
    • Eggcrate style
      • overview
      • eggcrate pictures
    • Rickenbacker style
      • non-baseboard louvered
      • baseboard version
      • with built-in filter
    • Linear style
      • surface mount
      • flush mount
      • custom sizes
      • wood options
  • resin grilles
    • California mission collection
    • overview
    • thumbnails of all designs
    • San Juan Capistrano
    • Bourbon Street
    • Santa Ines
    • San Fernando
    • San Gabriel
    • San Rafael
    • Santa Cruz
    • Santa Clara
    • Santa Barbara
    • San Francisco Solano
    • San Miguel
    • San Juan Bautista
    • view the 3 frame styles
    • damper detail
    • installed pictures
    • install tips (new window)
  • baseboard returns
    • low profile turn of the century style
    • wood geometric style
    • end cap style turn of the century
    • louvered wood

opening an opera grille louver with a screwdriver

As you can see, you open the louvers by using a screwdriver. Because of the ornate design of the opera grilles this may be a little awkward...but it is a small price to pay for having such a great looking grille!

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