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Ships within 48 hours · Estimated delivery Aug 23 - Aug 28
Individually welded 14 guage diffusion bars
Ceiling opening must be 4” larger in length and width than the nominal duct size
Nylon bushings for easy adjustment and quiet setting of blades running parallel to shortest dimension
Standard Features * 1/2" x 1/2" x 1/2" aluminum lattice face *
Countersunk mounting holes for flush appearance with stainless sheet metal screws
Opposed Blade Volume Damper 3000-0BD-48X48 Step Down Ceiling Diffuser Individually welded 14 guage diffusionh3. 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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