Dreame AirPursue PM20 moves more air (CADR) and covers a larger room than Jafanda Air JF280.
Which purifier has higher CADR?
Dreame AirPursue PM20 has higher CADR (400 vs 135 CFM).
Which purifier is quieter?
Jafanda Air JF280 is quieter (20 vs 60 dB).
Which purifier covers a larger room?
Dreame AirPursue PM20 fits a larger room (about 620 vs 209 sq ft recommended from CADR).
Which purifier has better smart features?
Neither lists Wi-Fi or app control in our sources.
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 Jafanda Air JF280.
| Metric | Dreame AirPursue PM20 | Jafanda Air JF280 |
|---|---|---|
| CADR (smoke) | 400 CFM | 135 CFM |
| Recommended room size | 620 sq ft | 209 sq ft |
| Claimed coverage | 7534 sq ft | 1015 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 |