Opposed Blade Volume Damper 3000-0BD-46X34 Specialty Products Standard Features * Extruded aluminum

Standard Features * Extruded aluminum construction * 45 fixed blades parallel to longest dimension * Margin edges are 7/8" projection for baseboard installation * Countersunk mounting holes for flush appearance with color matching Phillips posi-drive screws * Soft White Options * 1100FF - flush frame * Fractional and odd dimension sizes * Standard Color

* 2550 - Round Spring actuated (6) damper for vertical or horizontal mount

Vertical mount only

Available 4" thru 40" round

Curved saddle with gasket provides airtight fit to spiral pipe

Opposed Blade Volume Damper 3000-0BD-46X34 Specialty Products Standard Features * Extruded aluminumh3. 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.