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Ships within 48 hours · Estimated delivery Oct 25 - Oct 30
Available in 4" through 29" round
" Spiral pipe diameter must be 4” larger than width of grille
Designer Color or Other Finish available on this product
Diffuser available in sizes 6×6 through 20×20
2x4 * Soft White
Volume Damper Low-Leak OBD 3000-0BDLL-34X14 past 12 months Available in 4" through 29"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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