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Ships within 48 hours · Estimated delivery Aug 13 - Aug 18
2" thin-line roll formed out-of-airstream frame
Square collar designed for 22" x 22" duct
Louvers will be Parallel to the First Dimension
904 - Double Deflection Adjustable Aluminum Blade Grille For a 24" x 4" Duct Opening (front blades parallel to shortest dimension)
Opposed Blade Volume Damper 3000-0BD-24X32 Specialty Products 2" thin-line roll formed out-of-airstreamh3. 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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