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Ships within 48 hours · Estimated delivery Aug 9 - Aug 14
Available 4" thru 40" round
Standard Features * 3-way diffusion for draft-free heat or air conditioning * For ceiling or sidewall applications * All component parts
AA-HVL Series Engineering/Performance Data
904 - Double Deflection Adjustable Aluminum Blade Grille For a 18" x 4" Duct Opening (front blades parallel to shortest dimension)
Volume Damper Low-Leak OBD 3000-0BDLL-60X38 Step Down Ceiling Diffuser Available 4" thru 40" roundh3. 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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