6 layers purification filters:
1.High-density cotton pre-filter, remove different kinds of pollutants which more than 20 microns, such as hair, scurf, fibre, pollen dust, etc. 
2.H12 HEPA filter can remove more than 99.97% of the particles whose diameter is 0.03mm (about1/200 of the hair diameter ). 
3.Cold-catalyst filter can absorb and decompose formaldehyde, break down formaldehyde and other toxic gas into CO2 and H2O.
4.Cotton carbon filter: preliminary absorption odor.
5.Activated carbon filter can remove organism and pollutant, absorb and eliminate odors and toxic gas, with goods purification effect. 
6.Photo-catalyst filter: degrade toxic and harmful gases in the air, effectively kill multiple germs and remove odors and stain-resistant. etc .
• 5 million negative ion: after 30min, it will increase 20% the amount of oxygen in the air and purify the air. It is not only better to the health, but also promotes the body's development and prevents the disease
• UV sterilization: kill all kinds of microorganism germ, etc .
• Ozone distinction: kill virus and detoxification, prevent infective diseases; remove the odor to purify the air, make your living circumstance fresh as forest. 
• Touch screen, temperature and humidity display
VC-8138 Home UV Air Purifier