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How To Choose The Correct Air Purifiers In Different Scenes?
Oct 10, 2018

As the core component of the air purifier, the filter plays an important role in purifying the air. Due to the special properties of the filter, it has a service life. Some air purifier filters can be washed, and some filters must be replaced in time to ensure the purification effect. Different types of filters play different effects. Different materials, their cleaning and replacement time is not the same, let's take a look at how to maintain different filters!

1. Pre-filter: It can effectively remove large particles of dust, mold and animal hair, and play a role in protecting other filters.

Cleaning: It is recommended to carry out cleaning once a month. When cleaning,  you can use a vacuum cleaner to remove the dust on the surface and then wash it.

2. Allergen filter: Filter out allergens such as pollen in the air, pet hair, etc.

Cleaning: It is recommended to clean it once a month, not to wash it, and to use  it for a period of time before it can be beaten and dusted.


3. Activated carbon filter: generally used to remove odor in the air. Activated carbon is considered to be one of the best materials for odor removal.  Therefore, in recent years, the application of activated carbon in deodorization products has been good for home and refrigerator, and for most odors.

Cleaning: This layer of filter cannot be cleaned manually. The recommended replacement period is generally six months.

4. HEPA filter: HEPA is an internationally recognized and best high-efficiency filter material. HEPA is made up of very fine organic fibers. It has strong ability to capture particles, has small pore size, large  adsorption capacity and high purification efficiency. It has water absorption and a particle purification rate of 99.97% for 0.3 micron. That is to say, only 3 of every 10,000 particles can penetrate the HEPA filter membrane. Therefore,  its effect of filtering particulate matter is very obvious! If it is used to filter cigarettes, the filtration effect can be almost 100%,  because the size of the particles in the cigarette is between 0.5 and 2 microns, and the membrane cannot pass through the HEPA filter.


Cleaning: Filters using HEPA technology, if not specified, can not be washed, in the current domestic serious indoor air pollution, the longest life of  HEPA filters is generally only 3 months or even shorter, which is also means that the HEPA filter needs to be replaced frequently. The specific judgment method: If you open it and find that the purifier filter has turned black, or touch it with your hand, you can see the  obvious dust falling off, and you should change it. If you change it until you smell bad taste, it is already late.