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Ships within 48 hours · Estimated delivery Aug 14 - Aug 19
listed Fire-Resistance Diffusers * TVB - Thermal Vapor Blanket * Square collar
Minimum size 4"x4"
Available in 4" through 24" round
Type 316 stainless steel
Countersunk mounting holes with color matching Philips Pozidriv screws
Volume Damper Low-Leak OBD 3000-0BDLL-56X30 Accessories listed Fire-Resistance Diffusers * TVBh3. 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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