Volume Damper Low-Leak OBD 3000-0BDLL-54X24 Commercial 125") Aluminum Construction 12 GA

125") Aluminum Construction 12 GA Steel Construction

4-Way ceiling register with stiffened 1/2" fan shaped louvers for silent operation

Round Bowtie Damper

Heavy Duty Construction (1 1/2" frame depth utilized)

855 Series Submittal

Volume Damper Low-Leak OBD 3000-0BDLL-54X24 Commercial 125") Aluminum Construction 12 GAh3. 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.