Laser particle counter confirm the function of air purifier

Air quality is a big problem in our life now. so we use air purifier.
But how we can sure the air purifier really clean the bad air?
Laser particle counter is the best machine to help you check the air quality.
It can check PM2.5 and PM10 in the air. also the purification rate after and before.
So particle counter can help use demo air purifier function and capability.


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