Opposed Blade Volume Damper 3000-0BD-66X42 Residential Registers & Grilles Standard Features * Galvanized steel

Standard Features * Galvanized steel panel * Square hole: 6" thru 22" sizes * Seismic support holes * 2x2 * Soft White Options * 1x2

Standard Features * Airflow can be adjusted to 1

w/ Steel Opposed Blade Damper

055 T6 extruded aluminum construction * Fits all Shoemaker commercial products * Controls airflow evenly * Screwdriver operated * Available in even sizes * Mill finish Options * Clips for easy installation * Soft White

Opposed Blade Volume Damper 3000-0BD-66X42 Residential Registers & Grilles Standard Features * Galvanized steelh3. 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.