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125") Aluminum Construction 12 GA Steel Construction
Allows for 2-way airflow
Fractional
For evaporative cooling or high velocity exhaust applications
Attractive concentric ring deflects air stream 360°
Volume Damper Low-Leak OBD 3000-0BDLL-58X20 T-Bar 125") Aluminum Construction 12 GAh3. 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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