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Ships within 48 hours · Estimated delivery Aug 10 - Aug 15
back blades parallel to the shortest dimension Extruded aluminum surface mount frame with signature line marks Provides 4-way air flow on one plane Nylon bushings on adj
Mounting holes with color matching 2" baseboard Phillips screws
904 - Double Deflection Adjustable Aluminum Blade Grille For a 38" x 18" Duct Opening (front blades parallel to shortest dimension)
Designed for high volume air delivery
91 Series Submittal
Volume Damper Low-Leak OBD 3000-0BDLL-36X30 Step Down Ceiling Diffuser back blades parallel to theh3. 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.
