Objective third-party data shows that air purifier effectiveness is not correlated to price. Or put another way, there are plenty of poor-performing expensive machines out there (such as the Swiss Air in this test) and plenty of high-performing cheap machines out there. A quick look at the data will spare our wallets and our lungs.
Click here to read the original article: https://smartairfilters.com/en/blog/air-purifiers-test-shanghai-consumer-protection-bureau/
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