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Ships within 48 hours · Estimated delivery Aug 8 - Aug 13
contour molded fiberglass back with a foil barrier backing
PERFORMANCE DATA CB-T Series Engineering/Performance Data
3 or 4 way patterns * Spring push release for easy access to adjust pattern controllers * Round No Labor Collar sizes: 6-10"
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Volume Damper Low-Leak OBD 3000-0BDLL-34X28 Smoke-Fire Damper contour molded fiberglass back withh3. 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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