Pay in 4 interest-free payments of $207.13 Learn more
Ships within 48 hours · Estimated delivery Aug 9 - Aug 14
Available in even sizes 6" to 20" and 24"
Check Out The All About Spirals page
built-in vanities
Designed to minimize vision into the air duct
1x1 T-Bar (10" x 10" duct)
Volume Damper Low-Leak OBD 3000-0BDLL-34X28 Smoke-Fire Damper Available in even sizes 6"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.
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