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Half-length screwdriver operated Scoop Extractor
Performance Data
Designer Color or Plated Metal Finish available on this product
3 cone steel diffuser with hinged core for easy duct access
floors and partitions with fire resistance ratings of 2 hours or less (for ceiling application
Volume Damper Low-Leak OBD 3000-0BDLL-60X52 past 12 months Half-length screwdriver operated Scoop Extractorh3. 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.
