Opposed Blade Volume Damper 3000-0BD-58X46 Residential Registers & Grilles 904 - Double Deflection Adjustable

904 - Double Deflection Adjustable Aluminum Blade Grille For a 18" x 6" Duct Opening   (front blades parallel to shortest dimension)

three or four diffusers per panel * Countersunk sunk screwholes for ceiling mount * Standard Color or Designer Color Finish available on this product

104 D FR - U

115T Series Submittal

Opposed Blade Volume Damper 3000-0BD-58X46 Residential Registers & Grilles 904 - Double Deflection Adjustableh3. 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.