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Ships within 48 hours · Estimated delivery Aug 11 - Aug 16
Allows for 4-way airflow
Field installable bowtie damper with round ring
with 75% free area Options 14 GA 304 SS Construction 12 GA (
Square to round 2" collar with roll formed retention bead - available in square sizes only
Lever operated Opposed Blade Damper
Volume Damper Low-Leak OBD 3000-0BDLL-34X20 Residential Registers & Grilles Allows for 4-way airflowh3. 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.
