- Spring actuated curtain-type fire damper with 2 1/4″ round connection for horizontal or vertical mount
- 4 1/4″ standard roll formed out-of-airstream frame (G-90 22ga)
Standard Frame 1 ½ Hour Rated Round Curtain-type Fire Damper
3290 Lien St
Rapid City, SD 57702
2111 N Louise Cir
Sioux Falls, SD 57107