Pay in 4 interest-free payments of $223.13 Learn more
Ships within 48 hours · Estimated delivery Aug 19 - Aug 24
Free area equals more than 75% of nominal size
Designed to minimize vision into the air duct
Available in even sizes 6" to 20" and 24"
Nylon bushings on adj
Locking screw to hold damper in place
Opposed Blade Volume Damper 3000-0BD-42X30 Residential Registers & Grilles Free area equals more thanh3. 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.
