Particle counter and formaldehyde detector both demo air purifier

Air pollution is very serious in many city and countries.
Many family and office use the air purifier to clean the air and enjoy better breath.
Particle counter is the machine to check fine particulate matters like pM2.5 and PM10.
And the formaldehyde detector is to check hoco in the air. which is a gas bad to body health too.
Both of them can demo air purfier function and capability.


The article is provide from [Lanjia Water Ionizer], please indicate the source address
reprinted:  http://www.ionaircleaner.com/health_and_environment/2387.html