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Ships within 48 hours · Estimated delivery Aug 20 - Aug 25
Concealed mounting holes
945 Series Submittal
Building materials rated 2 hours or less
Available 4" thru 52" round
915 Series Submittal
Parallel Volume Damper Low Leak 3000PLL-24X18 T-Bar Concealed mounting holesh3. 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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