Blue Pure 211i Max

Ditto. I have two of these in my classroom. They’re fairly quiet - even in a kn-95 I can project. I have taller ceilings and some in-building filtration but nothing perfect: https://www.blueair.com/products/blue-pure-211i-max Like other commenters said, I’d cross post to other subs.

The Top 3 Best Overall: Levoit Core 600S The 600S is the 2026 gold standard for basements. It offers a massive CADR of 373 CFM, capable of cleaning a 600+ sq. ft. space every 12 minutes. Its 3-stage filtration includes a heavy-duty carbon filter that targets the "basement smell" specifically. Best f

I own two, my sons have them and highly recommended so I bought one of each. Levoit Plasma Pro 600SP Smart Air Purifier and the Blueair Blue Pure 211i Max 3000 square foot HEPA silent smart extra large room air purifier. Bought both at Best Buy. Awesome. Highly recommend both, not sure which is bett

i’d look at the Blueair Blue Pure 211i Max. it’s usually around $279–$299 and works really well for larger rooms. it’s great at removing dust, dander, and odors, runs very quietly, and has a washable pre-filter, which helps with maintenance and filter life. fwiw my mate and i were comparing air puri

I actually own the Blueair Blue Pure 211i Max, and it’s been a solid choice for my place. What I like most is how quickly it clears the air — I noticed a big difference with smells and dust within just a few hours. It’s quiet on the lower settings, and even on higher power it’s not too distracting.