Blueair Blue Pure 211+ moves more air (CADR) and covers a larger room than DREO DR-HAP009.
Which purifier has higher CADR?
Blueair Blue Pure 211+ has higher CADR (350 vs 300 CFM).
Which purifier is quieter?
DREO DR-HAP009 is quieter (24 vs 31 dB).
Which purifier covers a larger room?
Blueair Blue Pure 211+ fits a larger room (about 543 vs 465 sq ft recommended from CADR).
Which purifier has better smart features?
DREO DR-HAP009 lists Wi-Fi or app control; Blueair Blue Pure 211+ does not.
Which purifier has longer filter life?
Filter replacement interval is not published for either model.
Bottom line
Blueair Blue Pure 211+ moves more air (CADR) and covers a larger room than DREO DR-HAP009.
| Metric | Blueair Blue Pure 211+ | DREO DR-HAP009 |
|---|---|---|
| CADR (smoke) | 350 CFM | 300 CFM |
| Recommended room size | 543 sq ft | 465 sq ft |
| Claimed coverage | — | — |
| Noise | 31 dB | 24 dB |
| Filter type | HEPASilent | True HEPA H13 |
| Filter interval | — | — |
| Smart features | None | app, Alexa |