Volume Damper Low-Leak OBD 3000-0BDLL-66X66 Specialty Products Front blades parallel to shortest

Front blades parallel to shortest dimension

Standard Features * 1/2" x 1/2" x 1/2" aluminum lattice face *

Install with louvers in up or down position for best duct concealment

Standard Features * 1/2" spacing dual angular louvers * 22 & 20 gauge cold roll steel * Install with louvers in up or down position for best duct concealment * Countersunk mounting holes for flush appearance with color matching Phillips posi-drive screws * Soft White Options * 1033 - 1/3" spacing available in limited sizes * A-1050 -

Uniform 360 degree discharge pattern

Volume Damper Low-Leak OBD 3000-0BDLL-66X66 Specialty Products Front blades parallel to shortesth3. 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.