Model:CD-111 Parallel Blade, Control, 3V Blade, Steel, up to 4" wg (Rollformed)
APPLICATION The Model CD-111 (parallel blade) is a rectangular damper that has 16 gauge galvanized steel (3-V shaped) blades, and a 16 gauge galvanized steel frame. This model can be built in one section up to 48"w x 60"h, if a larger size is required there will be an automatic multi-section charge for jackshafting.