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Ships within 48 hours · Estimated delivery Nov 2 - Nov 7
Vertical mount only
Available 4" thru 40" round
* 2550 - Round Spring actuated (6) damper for vertical or horizontal mount
Diffuser available in sizes 6×6 through 20×20
floors and partitions with fire resistance ratings of 2 hours or less (for ceiling application
Opposed Blade Volume Damper 3000-0BD-46X34 Specialty Products Vertical mount onlyh3. 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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