Particle counter with 3 chanel know air quality

Particle counter English version just come into market.
Lates version partcle sensor with 3 chanel test PM2.5 and PM10.
Not only the particle quantity also the weight. help you know the air quality.
www.homehealthywater.com
www.skin-analyzer.com
www.ionaircleaner.com
 

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reprinted: http://homehealthywater.com/health-care-knowledge/1662.html