Volume Damper Low-Leak OBD 3000-0BDLL-38X14 Residential Registers & Grilles Retainer cables are provided on

Retainer cables are provided on sizes 12" and larger to allow the inner cones to hang securely while adjusting the diffuser

Square or rectangular for vertical mount only

PERFORMANCE DATA 845 Series Engineering/Performance Data

and 2x4 panels * Soft White

Center margins are mounted on the backside of the grille for a streamlined continuous look

Volume Damper Low-Leak OBD 3000-0BDLL-38X14 Residential Registers & Grilles Retainer cables are provided onh3. 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.