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Ships within 48 hours · Estimated delivery Aug 30 - Sep 4
22 gauge galvanized steel roll formed frame
Full-length screwdriver operated Scoop Extractor
Countersunk mounting holes for flush appearance with color matching Phillips posi- drive screws
Holds up to a 4" filter (not included) with filter retention tabs (FG4)
69% free area * 1308: 7/8" lattice opening
Opposed Blade Volume Damper 3000-0BD-54X26 Step Down Ceiling Diffuser 22 gauge galvanized steel rollh3. 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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