Factory supply wholesale filter pm2.5 ozone air purifier

1. Negative ion concentration3-7 million/m³

2. Pre-filter+True HEPA filter of high efficiency, captures up to 99.97% of

    microscopic allergens

3. Activated Carbon Filter+Cold catalyst filter, to create a pure and fresh

    environment

4. Strong effect to kill bacteria, virus, mites, etc

5. Air quality can be checked 

6. Multifunction : On/Off switch, Fan control, Filter Replacement, Anion    

    Switch,Timer,TiO2, Particle sensor

7. Can put essential oil inside