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About product and suppliers:
        Alibaba.com offers 1,448 air duct damper products. About 95% of these are hvac systems & parts, 1% are valves, and 1% are other furniture hardware. 

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

There are 1,448 air duct damper suppliers, mainly located in Asia. The top supplying country is China (Mainland), which supply 100% of air duct damper respectively. 

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

You can ensure product safety by selecting from certified suppliers, including 621 with ISO9001, 253 with Other, and 45 with ISO14001 certification.