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2-way register with stiffened 1/2" fan-shaped louvers for silent operation
850 Series Submittal
Available 4" thru 28" round
Fits 1x1 ceiling grids (collar size 6"-10")
Parallel Blade Volume Damper 3000P-70X52 Smoke-Fire Damper 2-way register with stiffened 1/2"h3. 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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