Some knowledge of Air purifier

　　Since the birth of COVID-19, fresh air is needed in life. Now you need an air purifier for the air to clean.

　　The air purifier is mainly composed of motor, fan, air filter screen and other systems. Its working principle is the polluted air passes through the air filter screen in the machine, various pollutants will be removed or adsorbed. Then release the fresh air from the air purifier to the indoor.

　　According to the Research Report of WHO, among the 4.3 million people who died due to air pollution in 2012, 34% suffered from stroke, 22% from chronic obstructive pulmonary disease and 26% from ischemic heart disease, and about 6% from lung cancer.

　　In a research project on disease risk assessment in a famous medical magazine from Britain, air pollution has been listed as the biggest health hazard after hypertension, smoking and alcoholism. The number of deaths per year due to air pollution is more than AIDS.

　　Air purifier is a product that can absorb, decompose or transform various air pollutants and effectively improve air cleanliness. It is mainly used in household, commercial, industrial and buildings.

　　Usually applicable place:

　　1. A newly renovated room.

　　2. There are elderly people, children, pregnant women and baby at home.

　　3. Residence of people with asthma, allergic rhinitis and pollen allergy.

　　4. More closed or affected by second-hand smoke.

　　5. Hotels, people crowded places and so on.

　　7. Hospitals, reduce infection and prevent the spread of diseases.

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