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Ships within 48 hours · Estimated delivery Oct 11 - Oct 16
3 hour fire resistance rating
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
* 2534 - Square or rectangular spring actuated (6) for horizontal or vertical mount
w/ Steel Opposed Blade Damper
Submittals and Performance Data
Parallel Volume Damper Low Leak 3000PLL-70X70 Specialty Products 3 hour fire resistance ratingh3. Standard Features * 16 gauge galvanized channel frame * Parallel blades are cee 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. Options * 3000 PLL Low Leak Air Control
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US$ 109.95
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