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Ships within 48 hours · Estimated delivery Aug 17 - Aug 22
Minimum size is 4"x4"
Heavy gauge cold roll steel
Extended sleeve ( See Model 2702)
For damper free area chart A click here * 2663 - Out-of-Airstream fire door
Directional volume diffuser with 4-way removable core
Volume Damper Low-Leak OBD 3000-0BDLL-56X26 Commercial Minimum size is 4"x4"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.
