Opposed Blade Volume Damper 3000-0BD-66X48 Commercial 4-way reversible door on square

4-way reversible door on square sizes

round collar only) * 830 OR - factory installed opposed radial damper (sizes 6"-14") * 830 FR - U

Available 4" thru 40" round

Countersunk mounting holes with color matching Philips Pozidriv screws

Standard Features *Surface mount diffuser * Nylon bushings for easy adjustment and quiet setting of steel blades * Countersunk mounting holes for flush appearance with color matching Phillips posi-drive screws * Single deflection diffuser with adjustable steel blades * Steel blades are parallel to longest dimension * Allows 2-way air deflection on one plane * Soft White Options * 931 O - with recessed screwdriver operated opposed blade damper * 1331 and 1332 Series - stainless steel single deflection * Tamper proof screws * Standard Color or Design Color Finish available on this product

Opposed Blade Volume Damper 3000-0BD-66X48 Commercial 4-way reversible door on squareh3. 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.