FreAire B0HBJ3N8BD moves more air (CADR) and covers a larger room than Alen 45i.
Which purifier has higher CADR?
FreAire B0HBJ3N8BD has higher CADR (559 vs 255 CFM).
Which purifier is quieter?
FreAire B0HBJ3N8BD is quieter (22 vs 23 dB).
Which purifier covers a larger room?
FreAire B0HBJ3N8BD fits a larger room (about 866 vs 395 sq ft recommended from CADR).
Which purifier has better smart features?
Both list smart features (None vs None).
Which purifier has longer filter life?
FreAire B0HBJ3N8BD lists a replacement interval of 19 months; Alen 45i does not.
Bottom line
FreAire B0HBJ3N8BD moves more air (CADR) and covers a larger room than Alen 45i.
| Metric | FreAire B0HBJ3N8BD | Alen 45i |
|---|---|---|
| CADR (smoke) | 559 CFM | 255 CFM |
| Recommended room size | 866 sq ft | 395 sq ft |
| Claimed coverage | 2390 sq ft | 1900 sq ft |
| Noise | 22 dB | 23 dB |
| Filter type | HEPA | HEPA |
| Filter interval | 19 months | — |
| Smart features | None | None |