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375 Series Engineering/Performance Data
Designer Color or Plated Metal Finish available on this product
Standard Features * Single plaque ceiling diffuser * 360 air diffusion * Hinged-down core for easy duct access * No Labor Collar * Seismic support hangers * Available sizes: 6"-10"
to 23 29/32"
Note: Sizes listed are the duct or opening size the grille will fit into
Volume Damper Low-Leak OBD 3000-0BDLL-54X38 Step Down Ceiling Diffuser 375 Series Engineering/Performance Datah3. 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.
