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Ships within 48 hours · Estimated delivery Aug 12 - Aug 17
Hinged removable extruded aluminum face frame with signature line marks
3/4" round collar
Louvers will be Parallel to the First Dimension
PERFORMANCE DATA 915 Series Engineering/Performance Data
Standard Features * 2633 - Square or rectangular out-of-airstream fire damper for vertical mount only
Opposed Blade Volume Damper 3000-0BD-44X40 Residential Registers & Grilles Hinged removable extruded aluminum faceh3. 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.
