Here comes the comparison of two popular brands, Air Purifier manufacturers. As you may have read so far in my reviews, Blueair is a company focused on producing only air purifiers, which ensured them a strong position and a good reputation on the market.  On the other hand, Xiaomi is a worldwide recognizable brand, with a variety of products in different branches.  As for the quality of the manufacturing material, I must say both air purifiers are more than satisfying. With the Xiaomi Mi 3H, you will get a solid plastic air purifier, while with Blueair 211+, you will get

Air Purifier First