Volume Damper Low-Leak OBD 3000-0BDLL-70X62 Specialty Products 4-Way ceiling register with stiffened

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

Standard Features Double deflection surface mount grille with adjustable airfoil blades Front blades parallel to longest dimension

1/4” crossbars

212° Fusible Link

Volume Damper Low-Leak OBD 3000-0BDLL-70X62 Specialty Products 4-Way ceiling register with stiffenedh3. 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.