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Steel Security Grille with Security Bars (Sleeve)
The 1390F series security bars feature a grid of bar work that has a maximum of 6” on center spacing. With the variable length sleeve, the 1390F is a great choice where penetration through a wall needs to be secure.
  • Security Barred Duct Work with Sleeve
  • Horizontal and Vertical Round Security Bars (3/4” Diameter)
  • Stich Welded Sleeve Length of 6”, 8”, 10”, 12”, or 18”
  • Two Loose Angle Frames Included
  • Standard Finish: British White