Dreame AirPursue PM20 moves more air (CADR) and covers a larger room than COWAY Airmega 200M.
Which purifier has higher CADR?
Dreame AirPursue PM20 has higher CADR (400 vs 246 CFM).
Which purifier is quieter?
COWAY Airmega 200M is quieter (24 vs 60 dB).
Which purifier covers a larger room?
Dreame AirPursue PM20 fits a larger room (about 620 vs 381 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?
COWAY Airmega 200M lists a replacement interval of 6-12 months; Dreame AirPursue PM20 does not.
Bottom line
Dreame AirPursue PM20 moves more air (CADR) and covers a larger room than COWAY Airmega 200M.
| Metric | Dreame AirPursue PM20 | COWAY Airmega 200M |
|---|---|---|
| CADR (smoke) | 400 CFM | 246 CFM |
| Recommended room size | 620 sq ft | 381 sq ft |
| Claimed coverage | 7534 sq ft | 1748 sq ft |
| Noise | 60 dB | 24 dB |
| Filter type | HEPA-13, carbon, NANO filter, charcoal filter, photocatalyst UV lamp | HEPA |
| Filter interval | — | 6-12 months |
| Smart features | None | None |