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About product and suppliers:
        Alibaba.com offers 215 backdraft damper products. About 51% of these are hvac systems & parts, 1% are air purifier parts, and 1% are ventilation fan parts. 

A wide variety of backdraft damper options are available to you, such as hvac systems, ventilation, and air conditioning. You can also choose from paid samples, free samples. 

There are 215 backdraft damper suppliers, mainly located in Asia. The top supplying countries are China (Mainland), Saudi Arabia, and Ukraine, which supply 96%, 1%, and 1% of backdraft damper respectively. 

Backdraft damper products are most popular in Domestic Market, Western Europe, and North America. 

You can ensure product safety by selecting from certified suppliers, including 146 with ISO9001, 127 with Other, and 2 with OHSAS18001 certification.