Dreame AirPursue PM20 moves more air (CADR) and covers a larger room than Membrane Solutions MSA3.
Which purifier has higher CADR?
Dreame AirPursue PM20 has higher CADR (400 vs 112 CFM).
Which purifier is quieter?
Membrane Solutions MSA3 is quieter (22 vs 60 dB).
Which purifier covers a larger room?
Dreame AirPursue PM20 fits a larger room (about 620 vs 174 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?
Membrane Solutions MSA3 lists a replacement interval of 3-6 months; Dreame AirPursue PM20 does not.
Bottom line
Dreame AirPursue PM20 moves more air (CADR) and covers a larger room than Membrane Solutions MSA3.
| Metric | Dreame AirPursue PM20 | Membrane Solutions MSA3 |
|---|---|---|
| CADR (smoke) | 400 CFM | 112 CFM |
| Recommended room size | 620 sq ft | 174 sq ft |
| Claimed coverage | 7534 sq ft | 1590 sq ft |
| Noise | 60 dB | 22 dB |
| Filter type | HEPA-13, carbon, NANO filter, charcoal filter, photocatalyst UV lamp | HEPA |
| Filter interval | — | 3-6 months |
| Smart features | None | None |