Volume Damper Low-Leak OBD 3000-0BDLL-40X26 Step Down Ceiling Diffuser Blades are parallel to the

Blades are parallel to the shortest dimension

Standard Features * Universal Collars for T-bar supply and returns * Soft White Finish * Available for 6" to 14" round duct in 1" increments

104 - four way * 2x2 galvaneal steel panel with seismic support holes * Square to round No Labor Collar * Soft White Options * 104 D - steel multi-shutter damper * 104 O - steel opposed blade damper * 104 FR

Mounting holes with color matching 2" baseboard Phillips screws

Volume Damper Low-Leak OBD 3000-0BDLL-40X26 Step Down Ceiling Diffuser Blades are parallel to theh3. 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.