However, there are many brands of air purifiers available on the market. The prices can also vary from less than $100 to more than $3000. So how do you pick an air purifier that is suitable for your needs? There are a few points to take note when buying an air purifier. You might want to check the MERV rating of the air purifier. The MERV rating is a standard that is used to measure the efficiency of an air purifier. A rating of 6 to 12 is considered good. This rating should be stated on the box of the air purifier.
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