Round backdraft damper


Duct size (in): 4in
Price:
$27

Description

Shipping delay: 24-72 hours

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. 

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