Volume Damper Low-Leak OBD 3000-0BDLL-32X24 Step Down Ceiling Diffuser Installation Ring only

Installation Ring only

Holds up to a 1" filter (not included) with filter retention tabs (FG1)

Ideal for supply air in the toe space areas between kitchen cabinets

1 1/2 hour fire resistance rating

Volume Damper Low-Leak OBD 3000-0BDLL-32X24 Step Down Ceiling Diffuser Installation Ring onlyh3. 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.