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Ships within 48 hours · Estimated delivery Aug 19 - Aug 24
To adjust diffuser
22 gauge steel blades with an insulated blanket
Designer Colors
Maximum dimension 48w
Volume Damper Low-Leak OBD 3000-0BDLL-52X52 Smoke-Fire Damper To adjust diffuserh3. 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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