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Quantity
1
Description
CONTIENTAL FAN CFM BDD100 4" Duct Spring Loaded Backdraft Damper.
Overview:
BDD backdraft dampers are available in the spring-loaded and gravity style backdraft dampers. The spring loaded dampers are available in 4″, 5″, 6″ & 8″ models with a center pin design and a 10″ & 12″ center post design. The gravity damper is available in...