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Allows for 4-way airflow adjustment
Use for applications with round ductwork to create a clean and easy to install finish for your round registers or diffusers
Locking screw to hold damper in place
915 Series Submittal
Single deflection transition box mount spiral pipe grille
Opposed Blade Volume Damper 3000-0BD-46X32 Residential Registers & Grilles Allows for 4-way airflow adjustmenth3. 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.
