Volume Damper Low-Leak OBD 3000-0BDLL-24X10 Smoke-Fire Damper Installation Instructions * UL approved

Installation Instructions * UL approved installation instructions

T-Bar hinged 2 Cone Step Down Diffuser with Round Collar

listed Fire-Resistance Diffuser * 700 Series - T-Bar Lay-in Panel * TVB - Thermal Vapor Blanket * Square collar

contour molded fiberglass back with a foil barrier backing

Steel galvaneal construction

Volume Damper Low-Leak OBD 3000-0BDLL-24X10 Smoke-Fire Damper Installation Instructions * UL approvedh3. 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.