Blueair Blue Signature moves more air (CADR) and covers a larger room than Levoit Core 300.
Which purifier has higher CADR?
Blueair Blue Signature has higher CADR (455 vs 126 CFM).
Which purifier is quieter?
Blueair Blue Signature is quieter (23 vs 24 dB).
Which purifier covers a larger room?
Blueair Blue Signature fits a larger room (about 705 vs 195 sq ft recommended from CADR).
Which purifier has better smart features?
Blueair Blue Signature lists Wi-Fi or app control; Levoit Core 300 does not.
Which purifier has longer filter life?
Blueair Blue Signature lists 179.99; Levoit Core 300 lists 6-8 months. Intervals are as published and are not converted to a single unit.
Bottom line
Blueair Blue Signature moves more air (CADR) and covers a larger room than Levoit Core 300.
| Metric | Blueair Blue Signature | Levoit Core 300 |
|---|---|---|
| CADR (smoke) | 455 CFM | 126 CFM |
| Recommended room size | 705 sq ft | 195 sq ft |
| Claimed coverage | 3385 sq ft | 383 sq ft |
| Noise | 23 dB | 24 dB |
| Filter type | HEPASilent | 3-Stage Filtration (Pre-filter, True HEPA Filter, Activated Carbon Filter) |
| Filter interval | 179.99 | 6-8 months |
| Smart features | None | None |