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Ships within 48 hours · Estimated delivery Aug 21 - Aug 26
Available 4" thru 40" round
Single deflection radius mount spiral pipe grille with adjustable blades
055 T6 extruded aluminum surface mount supply diffuser * Four air patterns: CB10 - one way
Individually welded 14 guage diffusion bars
Volume Damper Low-Leak OBD 3000-0BDLL-10X10 T-Bar Available 4" thru 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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