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904 - Double Deflection Adjustable Aluminum Blade Grille For a 36" x 24" Duct Opening (front blades parallel to shortest dimension)
Standard Features * Heavy duty 16 gauge steel construction * Blades run parallel to longest dimension given * Gym Grade - includes welded core and extra supports for heavy duty application * Mounting holes for sidewall and ceiling application * Soft White Options * No mounting holes * For opposed blade damper
REVIT FILES T-Bar Modular Core Diffuser with Round Collar 16
Holds up to a 2” filter (not included)
22 gauge galvanized steel roll formed frame
Volume Damper Low-Leak OBD 3000-0BDLL-40X14 Specialty Products 904 - Double Deflection Adjustableh3. 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.
