Pay in 4 interest-free payments of $223.13 Learn more
Ships within 48 hours · Estimated delivery Nov 8 - Nov 13
Minimum size is 4"x4"
CB40 - four way * Countersunk mounting holes for flush appearance with color matching Phillips posi-drive screws * Soft White Options * CB40 O - recessed screwdriver operated opposed blade damper * Square to round No Labor Collar (square sizes only) * 700 CB and CB T - T-Bar mount * SCB - steel version * Tamper proof screws * Standard Color
Square collar designed for 22" x 22" duct
Blades are parallel to the shortest dimension
Opposed Blade Damper standard on 4" widths
Volume Damper Low-Leak OBD 3000-0BDLL-48X16 Residential Registers & Grilles Minimum size is 4"x4"h3. Standard Features * Opposed blade operation for precise volume control * 16 gauge galvanized channel frame * Blades are vee stiffened 16 gauge galvanized for strength and stability * Blades pivot on non metallic celcon bushings * 1 2" square zinc plated steel pivot pins * 1 2" square zinc plated steel adjustable operating shaft extending up to 4" beyond the air control frame * Single blades on dampers with a height of 12" or less * Mill finish h3.
US$ 12.50
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US$ 73.50
US$ 12.50
US$ 15.00
