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Ships within 48 hours · Estimated delivery Aug 26 - Aug 31
22 gauge butterfly style galvanized steel blades
Square collar designed for a 20” × 20”
Heavy gauge cold roll steel
SD34 - Transition Box Spiral Pipe Grille (DOUBle Deflection)
Opposed Blade Volume Damper 3000-0BD-64X58 Residential Registers & Grilles 22 gauge butterfly style galvanizedh3. 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.
US$ 43.03
US$ 104.05
US$ 19.07
