Blueair Blue Pure 211i Max moves more air (CADR) and covers a larger room than Medify Air MA-40.
Which purifier has higher CADR?
Blueair Blue Pure 211i Max has higher CADR (435 vs 380 CFM).
Which purifier is quieter?
Blueair Blue Pure 211i Max is quieter (23 vs 46 dB).
Which purifier covers a larger room?
Blueair Blue Pure 211i Max fits a larger room (about 674 vs 589 sq ft recommended from CADR).
Which purifier has better smart features?
Blueair Blue Pure 211i Max lists Wi-Fi or app control; Medify Air MA-40 does not.
Which purifier has longer filter life?
Medify Air MA-40 lists a replacement interval of 4-5 months; Blueair Blue Pure 211i Max does not.
Bottom line
Blueair Blue Pure 211i Max moves more air (CADR) and covers a larger room than Medify Air MA-40.
| Metric | Blueair Blue Pure 211i Max | Medify Air MA-40 |
|---|---|---|
| CADR (smoke) | 435 CFM | 380 CFM |
| Recommended room size | 674 sq ft | 589 sq ft |
| Claimed coverage | 3235 sq ft | 1793 sq ft |
| Noise | 23 dB | 46 dB |
| Filter type | HEPASilent | HEPA H14 |
| Filter interval | — | 4-5 months |
| Smart features | None | None |