Blueair Blue Signature moves more air (CADR) and covers a larger room than Membrane Solutions MSA3.
Which purifier has higher CADR?
Blueair Blue Signature has higher CADR (455 vs 112 CFM).
Which purifier is quieter?
Membrane Solutions MSA3 is quieter (22 vs 23 dB).
Which purifier covers a larger room?
Blueair Blue Signature fits a larger room (about 705 vs 174 sq ft recommended from CADR).
Which purifier has better smart features?
Blueair Blue Signature lists Wi-Fi or app control; Membrane Solutions MSA3 does not.
Which purifier has longer filter life?
Blueair Blue Signature lists 179.99; Membrane Solutions MSA3 lists 3-6 months. Intervals are as published and are not converted to a single unit.
Bottom line
Blueair Blue Signature moves more air (CADR) and covers a larger room than Membrane Solutions MSA3.
| Metric | Blueair Blue Signature | Membrane Solutions MSA3 |
|---|---|---|
| CADR (smoke) | 455 CFM | 112 CFM |
| Recommended room size | 705 sq ft | 174 sq ft |
| Claimed coverage | 3385 sq ft | 1590 sq ft |
| Noise | 23 dB | 22 dB |
| Filter type | HEPASilent | HEPA |
| Filter interval | 179.99 | 3-6 months |
| Smart features | None | None |