• Sourcing Solutions
  • Services & Membership
  • Help & Community
About product and suppliers:
        Alibaba.com offers 546 four diffuser products. About 18% of these are humidifiers, 1% are air fresheners, and 1% are water treatment. 

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

There are 546 four diffuser suppliers, mainly located in Asia. The top supplying country is China (Mainland), which supply 100% of four diffuser respectively. 

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

You can ensure product safety by selecting from certified suppliers, including 504 with ISO9001, 59 with Other, and 8 with ISO14001 certification.