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Ships within 48 hours · Estimated delivery Sep 4 - Sep 9
remove the two center cones as a unit and reposition the six screws
800-495-0125
Standard Features * Removable core * Available in five air patterns * 22 gauge steel flush core provides uniform air distribution * Square to round No Labor Collar (6" thru 18") * 2x2 galvaneal steel panel with seismic support holes * Soft White Options * 700DVD D - steel multi-shutter damper * 700DVD O - opposed blade damper * 700DVD FR - U
Interlocking steel roll-formed blades
Standard Features * 2533 - Square or rectangular for vertical mount only
Volume Damper Low-Leak OBD 3000-0BDLL-62X54 past 12 months remove the two center conesh3. 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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