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Ships within 48 hours · Estimated delivery Aug 14 - Aug 19
All steel galvaneal construction
700 CB20 - two way
1” rim size (2” larger than nominal duct size / order size)
Adjustable steel roll formed blades oriented for 1 or 2 way airflow pattern
Note: Listed Size Is Nominal Duct Opening / Nominal Filter Size
Opposed Blade Volume Damper 3000-0BD-24X20 Residential Registers & Grilles All steel galvaneal constructionh3. 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.
