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About product and suppliers:
        Alibaba.com offers 291 negative ion detector products. About 38% of these are testing equipment, 13% are air purifiers, and 1% are industrial metal detectors. 

A wide variety of negative ion detector options are available to you, such as negative ion, hepa filter, and activated carbon air filter. You can also choose from ce, cb, and ul. As well as from portable, mini, and usb. And whether negative ion detector is free samples, or paid samples. 

There are 211 negative ion detector suppliers, mainly located in Asia. The top supplying country is China (Mainland), which supply 100% of negative ion detector respectively. 

Negative ion detector products are most popular in Eastern Europe, Domestic Market, and Eastern Asia. 

You can ensure product safety by selecting from certified suppliers, including 103 with ISO9001, 24 with Other, and 2 with ISO13485 certification.