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About product and suppliers:
        Alibaba.com offers 7,480 tube diffuser products. About 14% of these are water treatment, 1% are bottles, and 1% are humidifiers. 

A wide variety of tube diffuser options are available to you, such as ce, cb, and rohs. You can also choose from ultrasonic humidifier, cool-mist impeller humidifier, and evaporative humidifier. As well as from humidistat, manual. And whether tube diffuser is tabletop / portable, central, or mini. 

There are 7,552 tube diffuser suppliers, mainly located in Asia. The top supplying countries are China (Mainland), Taiwan, and India, which supply 97%, 1%, and 1% of tube diffuser respectively. 

Tube diffuser products are most popular in North America, Western Europe, and Southeast Asia. 

You can ensure product safety by selecting from certified suppliers, including 1,712 with ISO9001, 767 with Other, and 123 with ISO14001 certification.