- Supply / Return Security Grille
- 3/16″ Thick Face, Steel Construction
- 3/16″ Diameter Holes on 9/32″ Staggered Centers
- Stich Welded Sleeve Length of 6″, 8″, 10″, 12″, or 18″
- Available with Rear Operated Damper
- Optional Angled Frame, Anchor Bars, Round Security Bars, or Two Loose Angles
- Standard Finish is British White
