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* 2550 - Round Spring actuated (6) damper for vertical or horizontal mount
Delivers supply air in a 360° air pattern
Allows for 2-way airflow adjustment
Powder coat finish
Volume Damper Low-Leak OBD 3000-0BDLL-70X24 Specialty Products * 2550 - Round Springh3. 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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