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