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Ships within 48 hours · Estimated delivery Aug 21 - Aug 26
Available 4" thru 40" round
904 - Double Deflection Adjustable Aluminum Blade Grille For a 36" x 30" Duct Opening (front blades parallel to shortest dimension)
Holds up to 1" filter (not included)
Damper manufactured from corrosion tested galvanized mild steel (G-90)
055 T6 extruded aluminum construction * Fits all Shoemaker commercial products * Controls airflow evenly * Screwdriver operated * Available in even sizes * Mill finish Options * Clips for easy installation * Soft White
Opposed Blade Volume Damper 3000-0BD-68X56 Commercial 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.
US$ 29.99
US$ 29.34
US$ 29.34
US$ 27.00
US$ 29.34
