Combination Fire/Smoke Dampers
Combination Fire/Smoke dampers are low leak damper and actuator assemblies that have passed the UL555 and UL555S test requirements.
F/S-RD-I
True round, combination fire/smoke damper, Class I
![True round, combination fire/smoke damper, Class I](https://unitedenertech.com/images/product-photos/_productThumb/FS-RD-I.png)
Combination Fire/Smoke dampers are low leak damper and actuator assemblies that have passed the UL555 and UL555S test requirements.