What your world will be if the PM2.5 is overproof

PM2.5 is one of the main causes of air pollution, also the main cause of the haze.
In the haze day, you can not seen each other in only 10 meters long.
With the particle counter you can check the air quality around you if the air good or not.
Laser particle counter use the imported laser sensor to check the air quality.
The accuracy is ±5%, and it is portable model easy carry.



The article is provide from [Lanjia Water Ionizer], please indicate the source address
reprinted: http://www.ionaircleaner.com/health_and_environment/2321.html