BLUEAIR Blue Pure 311i Max moves more air (CADR) and covers a larger room than Jafanda Air JF280.
Which purifier has higher CADR?
BLUEAIR Blue Pure 311i Max has higher CADR (365 vs 135 CFM).
Which purifier is quieter?
Jafanda Air JF280 is quieter (20 vs 23 dB).
Which purifier covers a larger room?
BLUEAIR Blue Pure 311i Max fits a larger room (about 566 vs 209 sq ft recommended from CADR).
Which purifier has better smart features?
BLUEAIR Blue Pure 311i Max lists Wi-Fi or app control; Jafanda Air JF280 does not.
Which purifier has longer filter life?
BLUEAIR Blue Pure 311i Max lists a replacement interval of 9 months; Jafanda Air JF280 does not.
Bottom line
BLUEAIR Blue Pure 311i Max moves more air (CADR) and covers a larger room than Jafanda Air JF280.
| Metric | BLUEAIR Blue Pure 311i Max | Jafanda Air JF280 |
|---|---|---|
| CADR (smoke) | 365 CFM | 135 CFM |
| Recommended room size | 566 sq ft | 209 sq ft |
| Claimed coverage | 2107 sq ft | 1015 sq ft |
| Noise | 23 dB | 20 dB |
| Filter type | HEPASilent | HEPA |
| Filter interval | 9 months | — |
| Smart features | None | None |