BLUEAIR Blue Pure 311i 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 311i Max has higher CADR (365 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 311i Max fits a larger room (about 566 vs 364 sq ft recommended from CADR).
Which purifier has better smart features?
BLUEAIR Blue Pure 311i Max lists Wi-Fi or app control; Blueair 2-in-1 Pro Purify + Humidify does not.
Which purifier has longer filter life?
BLUEAIR Blue Pure 311i Max lists a replacement interval of 9 months; Blueair 2-in-1 Pro Purify + Humidify does not.
Bottom line
BLUEAIR Blue Pure 311i Max moves more air (CADR) and covers a larger room than Blueair 2-in-1 Pro Purify + Humidify.
| Metric | BLUEAIR Blue Pure 311i Max | Blueair 2-in-1 Pro Purify + Humidify |
|---|---|---|
| CADR (smoke) | 365 CFM | 235 CFM |
| Recommended room size | 566 sq ft | 364 sq ft |
| Claimed coverage | 2107 sq ft | 391 sq ft |
| Noise | 23 dB | 20 dB |
| Filter type | HEPASilent | HEPASilent |
| Filter interval | 9 months | — |
| Smart features | None | None |
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