Expert tip: foreign air purifiers are not suitable for China's pollution situation

　　Most consumers tend to choose foreign brands when buying air purifiers, believing that their quality is better, and some people even go abroad to buy air purifiers. However, Song Guangsheng, director of the National Indoor Environment and Indoor Environmental Product Quality Supervision and Inspection Center, reminded that most of the air purifiers purchased abroad have problems such as different environments, high prices, and filter elements that cannot be replaced in China.

　　Most foreign countries are chip-type purifiers. "80% of the air purifiers on the foreign market are chip-type purifiers. Most of the chip-type purifiers are designed for the low-pollution air quality in foreign countries. The material has a small dust holding capacity and is not suitable for China. Pollution.” Director Song Guangsheng said that the degree of air pollution abroad is relatively low, while domestic air pollution not only includes PM2.5 and other particulate pollution, but also indoor decoration, furniture leather and other pollution. At present, most of the standards advertised in the market are foreign standards, and they may not be suitable for China's air environment.

　　It is difficult to solve after-sales products. Many standards of foreign purifiers are inconsistent with domestic ones. After the filter element fails, it is difficult to find a place to replace the filter element or replace the filter element with a different standard in the country, which affects the quality of the purifier. Song Guangsheng said that the inability to buy a suitable filter element in China has caused many people to buy a purifier abroad and then it will not be used for a long time.

　　When choosing a purifier, you must be clear about your own needs. Director Song emphasized that when purchasing an air purifier, consumers must make it clear that the main purpose of purchasing an air purifier is to remove formaldehyde, or to remove dust, or both. Because the prices and materials used for different products are different, we must choose products purposefully. For example, in a newly renovated house, where there are more chemical pollutants such as formaldehyde and benzene, you should choose a purifier that removes formaldehyde; and in areas with more severe smog, you need to choose an air purifier that can remove PM2.5.

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