BLUEAIR Blue Pure 311i Max moves more air (CADR) and covers a larger room than ECOSELF HAP609.
Which purifier has higher CADR?
BLUEAIR Blue Pure 311i Max has published CADR; ECOSELF HAP609 does not.
Which purifier is quieter?
ECOSELF HAP609 is quieter (20 vs 23 dB).
Which purifier covers a larger room?
BLUEAIR Blue Pure 311i Max is recommended for about 566 sq ft based on CADR.
Which purifier has better smart features?
Both list smart features (None vs None).
Which purifier has longer filter life?
BLUEAIR Blue Pure 311i Max lists a replacement interval of 9 months; ECOSELF HAP609 does not.
Bottom line
BLUEAIR Blue Pure 311i Max moves more air (CADR) and covers a larger room than ECOSELF HAP609.
| Metric | BLUEAIR Blue Pure 311i Max | ECOSELF HAP609 |
|---|---|---|
| CADR (smoke) | 365 CFM | — |
| Recommended room size | 566 sq ft | — |
| Claimed coverage | 2107 sq ft | 1800 sq ft |
| Noise | 23 dB | 20 dB |
| Filter type | HEPASilent | 3-Stage Filter |
| Filter interval | 9 months | — |
| Smart features | None | None |