Medify Air MA-40 and BLUEAIR Blue Pure 311i Max are close on CADR — compare noise, filter interval, and smart features below.
Which purifier has higher CADR?
Medify Air MA-40 has higher CADR (380 vs 365 CFM).
Which purifier is quieter?
BLUEAIR Blue Pure 311i Max is quieter (23 vs 46 dB).
Which purifier covers a larger room?
Medify Air MA-40 fits a larger room (about 589 vs 566 sq ft recommended from CADR).
Which purifier has better smart features?
BLUEAIR Blue Pure 311i Max lists Wi-Fi or app control; Medify Air MA-40 does not.
Which purifier has longer filter life?
Medify Air MA-40 lists 4-5 months; BLUEAIR Blue Pure 311i Max lists 9 months. Intervals are as published and are not converted to a single unit.
Bottom line
Medify Air MA-40 and BLUEAIR Blue Pure 311i Max are close on CADR — compare noise, filter interval, and smart features below.
| Metric | Medify Air MA-40 | BLUEAIR Blue Pure 311i Max |
|---|---|---|
| CADR (smoke) | 380 CFM | 365 CFM |
| Recommended room size | 589 sq ft | 566 sq ft |
| Claimed coverage | 1793 sq ft | 2107 sq ft |
| Noise | 46 dB | 23 dB |
| Filter type | HEPA H14 | HEPASilent |
| Filter interval | 4-5 months | 9 months |
| Smart features | None | None |