Pay in 4 interest-free payments of $381.13 Learn more
Ships within 48 hours · Estimated delivery Aug 20 - Aug 25
Airfoil blades individually adjustable on 3/4" centers
One piece curved frame with gasket fits flush to spiral pipe
Installation Instructions * UL approved installation instructions
CB30 - three way
Designed for use in walls
Volume Damper Low-Leak OBD 3000-0BDLL-44X44 T-Bar Airfoil blades individually adjustable onh3. 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.
