PM2.5 detecor to know your air quality around

Pm2.5 dust meter has the international advanced level in the new century new built-in membrane online laser dust sampler.
In the continuous monitoring of dust concentration at the same time, it can be collected particles, in order to analyze its composition.
With PM2.5 detecor you can easy to test the air quality is good for your health or not. also can know PM10.
Then can use air cleaner to clean the air around you let we live in a health and clean environment.