Lately, I have received a lot of queries about whether the Blueair 411 Auto is a better choice for buying than the Xiaomi Mi 3H air purifier. Although the Xiaomi has many more advanced options, covers larger rooms, and is generally superior to the Blueair 411 Auto, I decided to test and compare them in detail. Firstly, I want to mention that Xiaomi Mi 3h covers rooms up to 484 sq. ft., while the Blueair 411 Auto covers rooms up to 190 sq. ft.  They both are built of plastic, which is of okay quality. What I like about the

Air Purifier First