Rectangular Dampers
Rectangular Control and Manual Balancing Dampers
Aluminum 3-V, Aluminum Airfoil, Steel 3-V, Steel Airfoil, Thermally Efficient
CD-110, 111
Opposed Blade/Parallel Blade, (Rollformed) Steel, 3V Blade Control Damper up to 4" w.g.

Application
Model CD-110 (opposed blade) or CD-111 (parallel blade) is a rectangular damper that has 16 gauge galvanized steel (3-V shaped) blades, and a galvanized roll formed frame. This model can be built in one section up to 48w x 60"h