Blue Pure 211+

This! I just got my luggable to replace my blue air 211+ and it is quieter running than the Blueair is on the lowest setting. 300sq ft of coverage gives 5 air changes in an hour, I believe. Plus, it's going to cost me $4/month for filters if I change them out every 6 months.

For a 300sqft room assuming 8ft ceilings you would need a purifier with a minimum CADR of 200 to get the recommended 5 air changes per hour. Yes, you will need two purifiers. Also remember that CADR is measured with the unit on top speed, which is always the loudest. Do not run them on auto. Run the

Ya so to preface I hav 3 cats and an American Eskimo and I’m very much allergic to cats and dogs XD. I used to have levoit purifiers but per my own experience, they sucked. I’m currently am in about 500sqft and I have 2 blue air 211+, this 2 in 1, a coway air mega S and a blue air 511 by my stove. W

BlueAir is actually an exception to my usual “avoid round filters” rule. They deliver higher CADR than any other brand. Their filters are, of course, pricey. No question. So are all manufacturers’ OEM filters. You won’t save a ton switching to another brand, although over the long term the Coway 151

I have two Blueair purifiers that can get very loud on the highest setting--the 211+ Auto and the Classic 500/600. The latter one was discontinued and the 211+ can still be bought at Amazon, but not at Blueair. Finding OEM filters is no problem for either. You might also consider a sound machine tha

I totally agree, spent a lot more money on the 211+ Auto model with the idea of having it for a long time....now they quit selling the filters??? they wont get my business again. Blueair has great air purifiers but they are not priced in a way that they should be considered a one time use machine. t