... production of Oxygen Machines, anion oxygen machines, vegetable sterilizers, home air purifiers, car air purifiers and other environmental protection ... 9% of dust particles, tiny hairs, mites, etc.; minimum cleaning particles 0.0001MM.4. Activated carbon filter, in formaldehyde, ... relieve fatigue, refreshing and healthy. Almost the same as : Item ozonizer Model P10 color white power input 22OV AC/110V ...