Volume Damper Low-Leak OBD 3000-0BDLL-26X18 Accessories 125") Aluminum Construction 12 GA

125") Aluminum Construction 12 GA Steel Construction

For evaporative coolers or central blower systems

and handle

Louvers will be Parallel to the First Dimension

Standard Features * Extruded aluminum (

Volume Damper Low-Leak OBD 3000-0BDLL-26X18 Accessories 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.