Volume Damper Low-Leak OBD 3000-0BDLL-26X14 Smoke-Fire Damper Standard Features * Steel galvaneal

Standard Features * Steel galvaneal construction * For evaporative coolers or central blower systems * Modern step-down design * 4-way air diffusion * Countersunk mounting holes for flush appearance with color matching Phillips posi-drive screws * One-piece removable slide damper for off season closure * Soft White

2 position adjustment for heating and cooling seasons

Mounting holes with color matching 2" baseboard Phillips screws

* 2502 - Square or rectangular spring actuated (6) for horizontal or vertical mount

Available in 4" through 29" round

Volume Damper Low-Leak OBD 3000-0BDLL-26X14 Smoke-Fire Damper Standard Features * Steel galvanealh3. 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.