| Brand | Greenheck |
| Type | Smoke & Fire Damper |
| Shape | Square |
| Voltage | 24 V |
| Model | Greenheck GFSD-211 |
| Material | Galvanized Steel |
The Greenheck GFSD-211 20x20 Fire And Smoke Damper is a square-shaped smoke and fire damper made of galvanized steel. It operates at a voltage of 24V and is designed by the reputable brand Greenheck. This damper is specifically engineered to regulate the flow of smoke and fire in HVAC systems, ensuring safety and efficiency in commercial and industrial settings.