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About product and suppliers:
        Alibaba.com offers 231,222 diffuser products. About 32% of these are humidifiers, 2% are air fresheners, and 1% are water treatment. 

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

There are 228,709 diffuser suppliers, mainly located in Asia. The top supplying countries are China (Mainland), India, and Taiwan, which supply 95%, 2%, and 1% of diffuser respectively. 

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

You can ensure product safety by selecting from certified suppliers, including 53,321 with ISO9001, 28,741 with Other, and 6,106 with ISO14001 certification.