FG-4004-D (Formed Steel w/ Integral Exhaust Damper)Description: Formed Steel, Straight Blade w/.032" ALUMINUM EXHAUST DAMPERS BLADES IN SAME FRAME. Depth: 4 inches Blade Angle: 45 Degree Thickness: 18 Ga Jetkote Galv. (Other Materials upon Request) Free Area: 0%-40% |