BLUEAIR Blue Pure 311i Max moves more air (CADR) and covers a larger room than DREO DR-HAP009.
Which purifier has higher CADR?
BLUEAIR Blue Pure 311i Max has higher CADR (365 vs 300 CFM).
Which purifier is quieter?
BLUEAIR Blue Pure 311i Max is quieter (23 vs 24 dB).
Which purifier covers a larger room?
BLUEAIR Blue Pure 311i Max fits a larger room (about 566 vs 465 sq ft recommended from CADR).
Which purifier has better smart features?
Both list smart features (None vs app, Alexa).
Which purifier has longer filter life?
BLUEAIR Blue Pure 311i Max lists a replacement interval of 9 months; DREO DR-HAP009 does not.
Bottom line
BLUEAIR Blue Pure 311i Max moves more air (CADR) and covers a larger room than DREO DR-HAP009.
| Metric | BLUEAIR Blue Pure 311i Max | DREO DR-HAP009 |
|---|---|---|
| CADR (smoke) | 365 CFM | 300 CFM |
| Recommended room size | 566 sq ft | 465 sq ft |
| Claimed coverage | 2107 sq ft | — |
| Noise | 23 dB | 24 dB |
| Filter type | HEPASilent | True HEPA H13 |
| Filter interval | 9 months | — |
| Smart features | None | app, Alexa |