Choose Medify Air MA-40 for higher CADR and larger-room coverage. Choose Blueair Blue Pure 211+ if you want lower noise.
Which purifier has higher CADR?
The Medify Air MA-40 has a smoke CADR of 380 CFM versus 350 CFM for the Blueair Blue Pure 211+, a difference of 9%.
Which purifier is quieter?
Blueair Blue Pure 211+ is quieter (31 vs 46 dB).
Which purifier covers a larger room?
Medify Air MA-40 fits a larger room (about 589 vs 543 sq ft recommended from CADR).
Which purifier has better smart features?
Neither lists Wi-Fi or app control in our sources.
Which purifier has better filtration?
Medify Air MA-40 lists HEPA H14; Blueair Blue Pure 211+ lists HEPASilent.
Bottom line
Choose Medify Air MA-40 for higher CADR and larger-room coverage. Choose Blueair Blue Pure 211+ if you want lower noise.
| Metric | Medify Air MA-40 | Blueair Blue Pure 211+ | Difference / Winner |
|---|---|---|---|
| Smoke CADR | 380 CFM | 350 CFM | Medify Air MA-40 (+9%) |
| Recommended room size | 589 sq ft | 543 sq ft | Medify Air MA-40 (+8%) |
| Manufacturer claimed coverage | 1793 sq ft | — | — |
| Minimum noise | 46 dB | 31 dB | Blueair Blue Pure 211+ |
| Filter type | HEPA H14 | HEPASilent | — |
| Replacement interval | 4-5 months | — | — |
| Power | 54W | — | — |
| Wi-Fi / app | No | No | — |
| Weight | 15.6 lb | — | — |