Model:CD-100 Opposed Blade, Control, Extr. Alum. up to 3" wg
The Model CD-100(opposed blade) is a rectangular damper with .125 extruded aluminum blades and .081 extruded aluminum frames. This model can be built in one section up to 52"w x 72"h. If a larger size is required there will be an automatic multi-section charge for jackshafting.