Blueair Blue Signature moves more air (CADR) and covers a larger room than Frigidaire PureA300.
Which purifier has higher CADR?
Blueair Blue Signature has published CADR; Frigidaire PureA300 does not.
Which purifier is quieter?
Frigidaire PureA300 is quieter (20 vs 23 dB).
Which purifier covers a larger room?
Blueair Blue Signature is recommended for about 705 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 Signature lists a replacement interval of 179.99; Frigidaire PureA300 does not.
Bottom line
Blueair Blue Signature moves more air (CADR) and covers a larger room than Frigidaire PureA300.
| Metric | Blueair Blue Signature | Frigidaire PureA300 |
|---|---|---|
| CADR (smoke) | 455 CFM | — |
| Recommended room size | 705 sq ft | — |
| Claimed coverage | 3385 sq ft | 850 sq ft |
| Noise | 23 dB | 20 dB |
| Filter type | HEPASilent | HEPA |
| Filter interval | 179.99 | — |
| Smart features | None | None |