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Ships within 48 hours · Estimated delivery Aug 18 - Aug 23
Check out the All About Spirals page
Available in 4" through 29" round
Vertical mount only
Holds up to 1" filter
Designer Color or Satin Anodized Finish available on this product Drawings * CB10 * CB20 * CB30 * CB40
Opposed Blade Volume Damper 3000-0BD-46X42 Accessories Check out the All Abouth3. 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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