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Ships within 48 hours · Estimated delivery Oct 6 - Oct 11
22 gauge steel blades with an insulated blanket
To adjust diffuser
Square to round 2" collar with roll formed retention bead - available in square sizes only
Adjustable steel roll formed blades oriented for 1 or 2 way airflow pattern
Sleeve Submittal
Volume Damper Low-Leak OBD 3000-0BDLL-52X52 Smoke-Fire Damper 22 gauge steel blades withh3. 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.
