Pay in 4 interest-free payments of $163.75 Learn more
Ships within 48 hours · Estimated delivery Aug 21 - Aug 26
available 4" through 40" round (2549)
Spiral pipe diameter must be 4” larger than the width of the grille
TS Series Submittal
Lever operated Opposed Blade Damper
Volume Damper Low-Leak OBD 3000-0BDLL-44X10 past 12 months available 4" through 40" roundh3. 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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