
SG300 Grille, Round Perforated Pattern, Aluminum
Security Grilles
The SG300 security grille with aluminum-welded construction provides durability and greater free area. Its sleeve thickness of 1/8" provides insulation, reduces noise, and shields the duct. The security grille is ideal for high-security institutions.
- Vents are highly-secured with optional 1/2” diameter aluminum bars
- 5/16” round holes on 7/16” staggered centers minimize pressure loss for supply and return applications
- Damper with opposing blades modulate optimum air flow