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Ships within 48 hours · Estimated delivery Aug 23 - Aug 28
Collar sizes available in 6”–10”
Non-standard size collar (available in 6" through 20")
Standard Features * 2649 - Round damper for vertical mount only
4-Way ceiling register with stiffened 1/2" fan shaped louvers for silent operation
Volume Damper Low-Leak OBD 3000-0BDLL-30X12 Smoke-Fire Damper Collar sizes available in 6”–10”h3. 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.
