Volume Damper Low-Leak OBD 3000-0BDLL-52X42 Step Down Ceiling Diffuser Available 4" thru 40" round

Available 4" thru 40" round

945 Series Engineering/Performance Data

Provides 4-way air flow on one plane

PERFORMANCE DATA 600TFG Series Engineering/Performance Data

Narrow ceiling grid dimples for 9/16" T-Rails

Volume Damper Low-Leak OBD 3000-0BDLL-52X42 Step Down Ceiling Diffuser Available 4" thru 40" roundh3. 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.