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4-Way ceiling register with stiffened 1/2" fan shaped louvers for silent operation
PERFORMANCE DATA CB-T Series Engineering/Performance Data
Designed for protection of ceiling openings in fire rated floor/ceiling assemblies with fire resistance ratings of 3 hours or less
Designed to handle high volumes of air with horizontal flow
Parallel Volume Damper Low Leak 3000PLL-70X56 Step Down Ceiling Diffuser 4-Way ceiling register with stiffenedh3. 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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