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1x2 T-Bar (10" x 22" duct)
listed Fire-Resistance Diffuser * 700 Series - T-Bar Lay-in Panel * TVB - Thermal Vapor Blanket * Square collar
Extruded aluminum frame with steel roll formed blades and steel multi-shutter damper
Airfoil blades individually adjustable on 3/4" centers
Opposed Blade Volume Damper 3000-0BD-52X40 Accessories 1x2 T-Bar (10" x 22"h3. Standard Features * Opposed blade operation for precise volume control * 16 gauge galvanized channel frame * Blades are vee stiffened 16 gauge galvanized for strength and stability * Blades pivot on non metallic celcon bushings * 1 2" square zinc plated steel pivot pins * 1 2" square zinc plated steel adjustable operating shaft extending up to 4" beyond the air control frame * Single blades on dampers with a height of 12" or less * Mill finish h3.
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