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Ships within 48 hours · Estimated delivery Aug 12 - Aug 17
inner dimension and outside dimension sizes available * Tamper proof screws * Standard Color
3 or 4 way air patterns from face * One size fits 6" thru 16" (collar by others) * Soft White
055 T6 extruded aluminum frame * 90% free area * Countersunk mounting holes for flush appearance with color matching Phillips posi-drive screws * Soft White Options * 600 O - opposed blade damper * No Labor Collar - Square to round (square sizes only) * 600 T - T-Bar mount * 1/2" x 1/2" x 1" Lattice or 1" x 1" x 1" Lattice * Fractional sizes
Building materials rated 2 hours or less
Modern step-down design with 4-way air diffusion
Volume Damper Low-Leak OBD 3000-0BDLL-72X22 Residential Registers & Grilles inner dimension and outside dimensionh3. 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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