BLUEAIR Blue Pure 311i Max moves more air (CADR) and covers a larger room than Shark BreatheClear Smart Air Purifier.
Which purifier has higher CADR?
BLUEAIR Blue Pure 311i Max has published CADR; Shark BreatheClear Smart Air Purifier does not.
Which purifier is quieter?
BLUEAIR Blue Pure 311i Max lists a minimum of 23 dB; Shark BreatheClear Smart Air Purifier has no published figure.
Which purifier covers a larger room?
BLUEAIR Blue Pure 311i Max is recommended for about 566 sq ft based on CADR.
Which purifier has better smart features?
BLUEAIR Blue Pure 311i Max lists Wi-Fi or app control; Shark BreatheClear Smart Air Purifier does not.
Which purifier has longer filter life?
BLUEAIR Blue Pure 311i Max lists 9 months; Shark BreatheClear Smart Air Purifier lists up to 6 years. Intervals are as published and are not converted to a single unit.
Bottom line
BLUEAIR Blue Pure 311i Max moves more air (CADR) and covers a larger room than Shark BreatheClear Smart Air Purifier.
| Metric | BLUEAIR Blue Pure 311i Max | Shark BreatheClear Smart Air Purifier |
|---|---|---|
| CADR (smoke) | 365 CFM | — |
| Recommended room size | 566 sq ft | — |
| Claimed coverage | 2107 sq ft | 750 sq ft |
| Noise | 23 dB | — |
| Filter type | HEPASilent | HEPA-exceeding |
| Filter interval | 9 months | up to 6 years |
| Smart features | None | None |
Related comparisons
- FreAire B0HBJ3N8BD vs BLUEAIR Blue Pure 311i Max
- FreAire B0HBJ3N8BD vs Shark BreatheClear Smart Air Purifier
- Blueair Blue Signature vs BLUEAIR Blue Pure 311i Max
- Blueair Blue Signature vs Shark BreatheClear Smart Air Purifier
- Blueair Blue Pure 211i Max vs BLUEAIR Blue Pure 311i Max
- Blueair Blue Pure 211i Max vs Shark BreatheClear Smart Air Purifier