With the improvement of living standards and the increasingly serious environmental pollution, air purifiers have gradually become an essential household appliance for many families. But as home appliances that require regular maintenance. The filter is the core part of the air purifier product components. If the filter is not cleaned in time during use, on the one hand, the function of the purifier cannot be effectively played, and on the other hand, the service life of the filter will be damaged.

Each layer of filter has different functions and cleaning and maintenance methods. Some brands of air purifiers are equipped with composite filters or other filters with special functions, which can be cleaned according to the instructions in the manual. Filter-type air purifiers have the following three mainstream filters: pre-filter, activated carbon filter, and HEPA filter.

Pre-filter, also called pre-filter/primary filters, is the first layer of filter in the air purifier and is also the most easily dirty layer of the filter.

1. Cleaning cycle: According to the frequency of use, it is usually appropriate to clean 1-2 times a month.

2. Cleaning method: Use a rag/vacuum cleaner to remove the dust. If you feel that the cleaning is not thorough enough, you can also rinse with water, remember to use soft hair. Finally dry.

Its main function is to remove volatile organic compounds such as formaldehyde and toluene, as well as deodorization and deodorization.

1. Cleaning cycle: For newly renovated users, it is recommended to clean and dry at least once a month in the rainy season in the south and the rainy season in the north; in other cases, the cleaning cycle can be adjusted appropriately according to the frequency of use.

2. Cleaning method: The dust on the surface of the activated carbon filter can be wiped with a dry rag or cleaned with a low-end vacuum cleaner. Due to the particularity of the pore structure and solidity of activated carbon, it is not recommended to wash it without clear instructions.

Put the cleaned filter in the outdoor sunlight, and expose the front and back sides to the sun for 2-3 hours, so that the temperature can be "desorbed" to achieve the effect of "regeneration" of activated carbon. Although the effect is limited, and after 3-4 exposures, it still cannot rewrite the fate to be replaced, regular cleaning is still necessary to maintain the purification effect of the filter and reduce the risk of secondary pollution.

It has the characteristics of large wind resistance, large dust holding capacity, and high filtering precision.

1. Cleaning cycle: According to the frequency of use and the pollution situation, it is usually cleaned once every 1-2 months, and the cleaning time can also be judged according to the accumulated use time.

2. Specific operation: Since the material of the HEPA filter is generally paper, it cannot be washed and cleaned without specific labeling, otherwise it will change the pore structure of the filter and even cause blockage, which will directly affect the purification effect.

You can use a vacuum cleaner to clean the dust on the surface of the filter (except glass fiber HEPA) or wipe it gently with a dry cloth or paper towel and dry it properly. After blackening, it must be replaced as soon as possible, and be careful not to scratch the surface of the filter screen when cleaning.

If dust is found in the air purifier filter compartment, air outlet, etc. during the cleaning process, it can be cleaned with a rag and a soft brush.

Generally speaking, many purifiers now come with a reminder indicator for filter replacement, which is replaced according to the prompt of the light, and some product manuals will indicate the replacement cycle of the filter.

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