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Aluminum Supply and Return Security Grille with Perforated Face (Sleeve)
The 1310/51310 series maximum security grilles feature a perforated face plate that makes finger penetration difficult in areas that need a secure environment. The 46% free area perforation provides minimum pressure loss, making the 1310/51310 an ideal choice for secure areas that require large amounts of supply or return air.
  • Supply / Return Perforated Face Security Grille
  • 1/8” Thick Face, Aluminum Construction
  • 5/16” Diameter Holes on 7/16” Staggered Centers
  • Stich Welded Sleeve Length of 6”, 8”, 10”, 12”, or 18”
  • Available with Rear or Front Operated Damper
  • Optional Angled Frame, Anchor Bars, Round Security Bars, or Two Loose Angles
  • Standard Finish is British White