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.
- Perforated Face Transfer Security Grille
- 3/16” Thick Face on Each Side of Sleeve, Steel Construction
- 5/16” Diameter Holes on 7/16” Staggered Centers
- Stich Welded Sleeve Length of 6”, 8”, 10”, 12”, or 18”
- Available with Damper
- Optional Anchor Bars and Round Security Bars
- Standard Finish is British White