Blue Pure 211+

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