Do you know what a HEPA filter is? How to choose an air purifier with a HEPA filter?

You know what it is.HEPA filterWhat's the best way to choose? How to chooseHEPA filterThe air purifier?

With the rapid development of the city, haze has become an "urban disease". About the hazards of haze on the human body must be understood, and the treatment of haze is also a long-term project. In order to protect their own health, most of the friends chose to take the initiative to defend, such as going out with anti-haze masks, using air purifiers at home. The air purifier as thousands of families preferred anti-haze products, with its efficient purification effect favored by everyone, but the air purifier is by no means open the switch regardless of the product, in order to use a good use for a long time, you also have to understand the HEPA filter.

What is HEPA filter? HEPA (High efficiency particulate air filter), Chinese meaning high efficiency air filter, to achieve the HEPA standard filter, for the 0.1 micron and 0.3 micron effective rate of 99.7%, HEPA mesh is characterized by the air can be passed, but the fine particles are cannot pass through. It is a PM2.5 killer, and can also capture mold, bacteria, and viruses, which can maximize the protection of users' respiratory health when used in areas with poor air environment.

It has a removal efficiency of 99.97% or more for particles with a diameter of 0.3 microns (1/200 of the diameter of a hair) or less, making it the most effective filtration medium for pollutants such as smoke, dust, and bacteria. If you have a loved one who smokes at home, it is necessary to choose an air purifier with a HEPA filter in order to protect the next generation from the harmful effects of second-hand smoke.

HEPA is divided into five materials: PP filter paper, glass fiber, composite PP PET filter paper, meltblown polyester nonwoven fabric and meltblown glass fiber. Although the material is different, but they all have one thing in common: large wind resistance, large dust capacity, high filtration precision. In addition there are three kinds of HEPA high-efficiency filters, a kind of super HEPA high-efficiency filters, can do to purify 99.9995%. a kind of antimicrobial type without partition high-efficiency air filters, with antibacterial effect, to prevent bacteria from entering the clean room, a kind of HEPA high-efficiency filters, the price is cheaper before used in the purification of the space of the requirements are not high. For our commonly used air purifier, the filter using the latter two more, after all, a penny a penny.

To air purifier filtration efficient with a long time, you must be able to maintain the HEPA filter. If there is no specific indication is not washable, but in the current domestic more serious indoor air pollution, HEPA filter life of the longest general only 3 months or even shorter, which means that HEPA filters need to be replaced often. Although the replacement cost of HEPA filter is high, through the vacuum cleaner cleaning can also extend its service life to some extent, but if the general white HEPA filter surface has tended to black, in order to ensure the air filtration effect and health, it is recommended to be replaced as soon as possible. Moreover, now the HEPA filter has been mass-produced, the cost and price also continue to dip, replacement of the filter is still very convenient.

In short, the key role of the HEPA filter on the air purifier is to effectively filter PM2.5 and other harmful gases, but also to capture mold, bacteria, viruses, filtering second-hand smoke and harmful micro-particles in the air, which can protect the user's respiratory health, and is an indispensable and important part of the air purifier. But can not be used in the kitchen, because the oil smoke will accelerate the loss of HEPA filter, also can not be used in the cigarette smell is particularly large and air circulation environment (such as mahjong parlor, etc.), cigarettes will make the life of HEPA greatly shortened. If the ordinary family haze purification air, HEPA filter as long as the above method of maintenance is appropriate, under normal circumstances with a few months can not change, not only to save money, but also to purify the air, to protect the family's respiratory health, it is worthwhile to purify the respiratory environment of the user's choice.