About product and suppliers:
            2,213 12 ventilation fan products are offered for sale by suppliers on Alibaba.com, of which axial flow fans accounts for 32%, fans accounts for 26%, and centrifugal fans accounts for 16%. 

A wide variety of 12 ventilation fan options are available to you, such as ccc, ul, and ce. 

There are 2,213 suppliers who sells 12 ventilation fan on Alibaba.com, mainly located in Asia. The top countries of suppliers are India, China, and Taiwan, China, from which the percentage of 12 ventilation fan supply is 1%, 94%, and 3% respectively.