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Ships within 48 hours · Estimated delivery Oct 31 - Nov 5
Non-standard size collar (available in 6" through 20")
Available 4" thru 40" round
Narrow ceiling grid dimples for 9/16" T-Rails
PERFORMANCE DATA 600TFG Series Engineering/Performance Data
945 Series Engineering/Performance Data
Volume Damper Low-Leak OBD 3000-0BDLL-52X42 Step Down Ceiling Diffuser Non-standard size collar (available inh3. 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.
