Dreame AirPursue PM20 moves more air (CADR) and covers a larger room than Frigidaire PureA300.
Which purifier has higher CADR?
Dreame AirPursue PM20 has published CADR; Frigidaire PureA300 does not.
Which purifier is quieter?
Frigidaire PureA300 is quieter (20 vs 60 dB).
Which purifier covers a larger room?
Dreame AirPursue PM20 is recommended for about 620 sq ft based on CADR.
Which purifier has better smart features?
Frigidaire PureA300 lists Wi-Fi or app control; Dreame AirPursue PM20 does not.
Which purifier has longer filter life?
Filter replacement interval is not published for either model.
Bottom line
Dreame AirPursue PM20 moves more air (CADR) and covers a larger room than Frigidaire PureA300.
| Metric | Dreame AirPursue PM20 | Frigidaire PureA300 |
|---|---|---|
| CADR (smoke) | 400 CFM | — |
| Recommended room size | 620 sq ft | — |
| Claimed coverage | 7534 sq ft | 850 sq ft |
| Noise | 60 dB | 20 dB |
| Filter type | HEPA-13, carbon, NANO filter, charcoal filter, photocatalyst UV lamp | HEPA |
| Filter interval | — | — |
| Smart features | None | None |