Blueair Blue Pure 211i Max moves more air (CADR) and covers a larger room than Blueair 2-in-1 Pro Purify + Humidify.
Which purifier has higher CADR?
Blueair Blue Pure 211i Max has higher CADR (435 vs 235 CFM).
Which purifier is quieter?
Blueair 2-in-1 Pro Purify + Humidify is quieter (20 vs 23 dB).
Which purifier covers a larger room?
Blueair Blue Pure 211i Max fits a larger room (about 674 vs 364 sq ft recommended from CADR).
Which purifier has better smart features?
Blueair Blue Pure 211i Max lists Wi-Fi or app control; Blueair 2-in-1 Pro Purify + Humidify does not.
Which purifier has longer filter life?
Filter replacement interval is not published for either model.
Bottom line
Blueair Blue Pure 211i Max moves more air (CADR) and covers a larger room than Blueair 2-in-1 Pro Purify + Humidify.
| Metric | Blueair Blue Pure 211i Max | Blueair 2-in-1 Pro Purify + Humidify |
|---|---|---|
| CADR (smoke) | 435 CFM | 235 CFM |
| Recommended room size | 674 sq ft | 364 sq ft |
| Claimed coverage | 3235 sq ft | 391 sq ft |
| Noise | 23 dB | 20 dB |
| Filter type | HEPASilent | HEPASilent |
| Filter interval | — | — |
| Smart features | None | None |
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