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1x1 T-Bar (10" x 10" duct)
904 - Double Deflection Adjustable Aluminum Blade Grille For a 20" x 20" Duct Opening (front blades parallel to shortest dimension)
Square or rectangular ceiling radiation butterfly damper
Plated Metal or Wood Finish available on this product
Ideal for residential and light commercial application
Opposed Blade Volume Damper 3000-0BD-32X26 Residential Registers & Grilles 1x1 T-Bar (10" x 10"h3. 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.
