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Ships within 48 hours · Estimated delivery Nov 11 - Nov 16
Front blades parallel to shortest dimension
inner dimension and outside dimension sizes available * Tamper proof screws * Standard Color
Standard Features * Round 1-1/2 hour fire damper * Horizontal or Vertical installation * UL and California State Fire Marshall approved * Damper construction meets NFPA 90A requirements * Stainless steel curtain * 16 gauge steel frame * UL listed fusible link
listed Fire-Resistance Diffuser * TVB - Thermal Vapor Blanket * Square collar
floors and partitions with fire resistance ratings of 2 hours or less (for ceiling application
Volume Damper Low-Leak OBD 3000-0BDLL-68X56 Commercial Front blades parallel to shortesth3. 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.
