Rectangular Dampers
Rectangular Control and Manual Balancing Dampers
Aluminum 3-V, Aluminum Airfoil, Steel 3-V, Steel Airfoil, Thermally Efficient
SW-155, SW-156
Airfoil Alum. Anodized Rectangular Damper with 316 Stn. Stl. Components
Application
Model SW-155 (Opposed Blade) or SW-156 (Parallel Blade) Airfoil Alum. Anodized Rectangular Damper with 316 Stn. Stl. Components. Optional Thermally Insulated
