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three or four diffusers per panel * Countersunk sunk screwholes for ceiling mount * Standard Color or Designer Color Finish available on this product
Extruded aluminum frame with steel roll formed blades and steel multi-shutter damper
Standard Features * 2561 - Square or rectangular fire door for vertical mount only
Standard Features * Individually adjustable curved blade T-Bar diffuser * Core is constructed of
Opposed Blade Volume Damper 3000-0BD-46X24 Step Down Ceiling Diffuser three or four diffusers perh3. 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.
