Blueair Blue Signature moves more air (CADR) and covers a larger room than InvisiClean Aura II.
Which purifier has higher CADR?
Blueair Blue Signature has higher CADR (455 vs 171 CFM).
Which purifier is quieter?
Blueair Blue Signature is quieter (23 vs 31 dB).
Which purifier covers a larger room?
Blueair Blue Signature fits a larger room (about 705 vs 265 sq ft recommended from CADR).
Which purifier has better smart features?
Blueair Blue Signature lists Wi-Fi or app control; InvisiClean Aura II does not.
Which purifier has longer filter life?
Blueair Blue Signature lists a replacement interval of 179.99; InvisiClean Aura II does not.
Bottom line
Blueair Blue Signature moves more air (CADR) and covers a larger room than InvisiClean Aura II.
| Metric | Blueair Blue Signature | InvisiClean Aura II |
|---|---|---|
| CADR (smoke) | 455 CFM | 171 CFM |
| Recommended room size | 705 sq ft | 265 sq ft |
| Claimed coverage | 3385 sq ft | 1094 sq ft |
| Noise | 23 dB | 31 dB |
| Filter type | HEPASilent | True HEPA with Activated Carbon Pre-Filter |
| Filter interval | 179.99 | — |
| Smart features | None | None |