Volume Damper Low-Leak OBD 3000-0BDLL-60X42 T-Bar 1x2 T-Bar (8" x 20"

1x2 T-Bar (8" x 20" duct)

Designer Color or Other Finish available on this product

Standard Features * Double deflection aluminum wall or ceiling register * Heavy gauge aluminum frame * Individually adjustable extruded aluminum airfoil blades * Allows for spot or normal air diffusion * Hidden mounting mechanism * White Options: * Standard Color or Designer Color Finish available on this product

Standard Features * Gang-operated opposed blade radial volume control damper for use with RD Series Round Diffusers * Available in 2" increments from 6"-24"

For damper free area chart B click here * 2665 - Round fire door for vertical mount only

Volume Damper Low-Leak OBD 3000-0BDLL-60X42 T-Bar 1x2 T-Bar (8" x 20"h3. 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.