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Ships within 48 hours · Estimated delivery Aug 16 - Aug 21
* 2550 - Round Spring actuated (6) damper for vertical or horizontal mount
Double deflection radius mount spiral pipe grille with adjustable blades
contour molded fiberglass back with a foil barrier backing
Diffuser available in sizes 6×6 through 20×20
Opposed Blade Volume Damper 3000-0BD-54X54 Residential Registers & Grilles * 2550 - Round Springh3. 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.
