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About product and suppliers:
        Alibaba.com offers 2,184 pm2.5 air detector products. About 79% of these are gas analyzers, 5% are sensors, and 2% are alarm. 

A wide variety of pm2.5 air detector options are available to you, such as temperature sensor, level sensor. You can also choose from resistance sensor, ultrasonic sensor, and optical sensor. As well as from analog sensor, digital sensor. And whether pm2.5 air detector is free samples, or paid samples. 

There are 2,185 pm2.5 air detector suppliers, mainly located in Asia. The top supplying countries are China (Mainland), South Korea, and United States, which supply 98%, 1%, and 1% of pm2.5 air detector respectively. 

Pm2.5 air detector products are most popular in North America, Domestic Market, and Eastern Europe. 

You can ensure product safety by selecting from certified suppliers, including 956 with ISO9001, 667 with Other, and 100 with ISO14001 certification.