How often does the filter element of the air purifier change?

　　How often does the filter element of the air purifier change?

　　With the continuous improvement of people's living standards, more and more people pay attention to their environmental conditions. It is near the northeast. Although the heating company is still supplying heat, coupled with the spring breeze, the outside air quality has not yet opened the windows and it is difficult to maintain ventilation. On the other hand, due to the impact of the epidemic, indoor air circulation is more difficult.

　　I bought an air purifier at home several years ago and pressed the bottom of the box after using it a few times. Remember that the formaldehyde removal filter was specially prepared. After a while, I checked the service life of the filter, when to change what kind of filter, and how to change the filter of the air purifier.

　　There are several generations of air purifiers, large and small. Their working principles are similar, but different models are selected according to the use environment and purpose. Although our air purifier 2 has been discontinued, the filter element can still be purchased at the store.

　　Then, what is the difference between Bacteria and the universal version?

　　1. Normal type and bacteria type have great dust removal ability, and the formaldehyde removal filter can absorb for a longer time

　　2. The bacteria filter element adds a bacteria coating on the HEPA filter to block bacteria and dust mites. (Emphasis, fungus mites)

　　3. The activated carbon core and the filter are integrated together. Even if the outer HEPAl filter can still be used, it must be replaced because the adsorption capacity of activated carbon is irreversible.

　　4. The newly renovated house continuously volatilizes formaldehyde, and the continuous use version is better.

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