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Ships within 48 hours · Estimated delivery Aug 19 - Aug 24
Allows for 4-way airflow adjustment
904 - Double Deflection Adjustable Aluminum Blade Grille For a 48" x 20" Duct Opening (front blades parallel to shortest dimension)
904 - Double Deflection Adjustable Aluminum Blade Grille For a 24" x 6" Duct Opening (front blades parallel to shortest dimension)
Available in 6”–12” collar sizes
Spring actuated curtain-type fire damper with 2 1/4" round connection for horizontal or vertical mount
Volume Damper Low-Leak OBD 3000-0BDLL-50X24 Step Down Ceiling Diffuser Allows for 4-way airflow adjustmenth3. 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$ 90.00
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US$ 69.00
