Volume Damper Low-Leak OBD 3000-0BDLL-70X44 Smoke-Fire Damper 1x2 T-Bar (10" x 22"

1x2 T-Bar (10" x 22" duct)

Standard Features * 2601 - Square or rectangular for vertical mount only

Center margins are mounted on the backside of the grille for a streamlined continuous look

Countersunk mounting holes for flush appearance

Hinged removable door with hinges parallel to the longest dimension

Volume Damper Low-Leak OBD 3000-0BDLL-70X44 Smoke-Fire Damper 1x2 T-Bar (10" x 22"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.