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Cleaning method of filter screen of household air purifier
1, the pre-filter screen is easy to clean: household air purifier filters have pre-filters, and it is generally more appropriate to clean them once or twice a month. Every time you clean it, you just need to remove it and dust it with a vacuum cleaner or rag. Some pre-filters can also be washed directly under the water pipe, or brushed gently with a soft brush, spun dry or dried by a hair dryer before being put into the air purifier.

2.HEPA filter can't be washed: the filter using HEPA technology can't be washed unless specified, but in the case of serious indoor air pollution in China, the longest life of HEPA filter is generally only 3 months or even shorter, which means that HEPA filter needs to be replaced frequently. The cost of this filter element is relatively high, and it can be used for a long time if it is cleaned in time for daily use. However, when the filter is black, it must be replaced as soon as possible.

3. The activated carbon filter screen should be exposed to the sun frequently: in the maintenance of the activated carbon filter screen, although it needs to be replaced frequently to avoid adsorption saturation, it can also be taken out regularly and exposed to the sun to automatically complete desorption and dust removal; If there is a lot of dust on the surface, you can wipe it with a rag and then expose it to the sun for 3 hours. This kind of work is often done to maintain its purification effect and prolong its service life.

4. Nano-crystallite purification module: The living nano-crystallite purification module (loose mesh of filter screen) in household air purifier needs to be replaced once a year. However, if there are many people at home, especially smokers, it is best to replace them once every six months.