PM2.5, such as the flood of beasts, for a time, many air purifiers have put on the "anti-PM2.5" ride, sales all the way up. So, is there any filtering effect on the PM2.5 by the air purifier currently on the market? Is there a need to use an air purifier indoors? Experts believe that air purifiers are better than none.
Marked "anti-PM2.5", sales volume rises
According to Dongguan environmental protection project personnel, the recent PM2.5 exceeding the standard in many large cities in China has been raging, and many citizens also want to add an air purifier to their homes. The original air purifier in the home appliances category is not worth mentioning, but this is an inconspicuous object, along with the popular "PM2.5" also enjoy a star treatment. After the air purifier "killed the bacteria, in addition to benzene", it added a new skill to fight against PM2.5. The home appliance area of ​​several department stores has recently focused on household appliances for healthy living, and air purifiers are the best choice. “Since last year, the sales volume of air purifiers has increased by 10%-20%.†The staff of the home appliance area introduced that there are six major air purifier brands such as Philips, Panasonic, Sharp and LG in the area. Other brands The subsidiary purification products are even more. According to the relevant personnel of Dongguan Environmental Protection Engineering , Cobos, which focuses on cleaning products, has recently deliberately entered the “air purifier†market.
Later, buy an air purifier to see a "labeling". The dazzling air purifier market, all claiming to filter PM2.5, is this really true? Provincial quality supervision staff said that in the future, buy an air purifier to see a "labeling". Unlike the old rules, the new rules have specific data on solid-state contaminants, gaseous pollutants, and microbial purification efficiencies, and only those products that pass the inspection are allowed to use the logo labeled "China Environmental Product Certification." The relevant person in charge said that the first batch of air purifier products that have been labeled will be quickly announced and labeled, which means that in the future, when consumers buy an air purifier, they can measure the pros and cons of the product based on the test data.
    For some propaganda on the market that some air purifiers can “99% remove PM2.5â€, experts believe that it is easy to mislead consumers. The public should also consider the clean air volume and applicable area. Researchers at the China Center for Disease Control and Prevention said that most of the existing air purifiers that remove respirable particulate matter are designed to remove large particles of PM10, and PM2.5 with smaller particles is not targeted. However, the use of air purifiers has some effect on reducing PM2.5, generally through a mechanism to filter dust or adsorption of activated carbon.
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