Blueair Blue Pure 211i Max moves more air (CADR) and covers a larger room than Honeywell Allergen Plus 3-in-1 HEPA Fan Air Purifier.
Which purifier has higher CADR?
Blueair Blue Pure 211i Max has published CADR; Honeywell Allergen Plus 3-in-1 HEPA Fan Air Purifier does not.
Which purifier is quieter?
Blueair Blue Pure 211i Max lists a minimum of 23 dB; Honeywell Allergen Plus 3-in-1 HEPA Fan Air Purifier has no published figure.
Which purifier covers a larger room?
Blueair Blue Pure 211i Max is recommended for about 674 sq ft based on CADR.
Which purifier has better smart features?
Blueair Blue Pure 211i Max lists Wi-Fi or app control; Honeywell Allergen Plus 3-in-1 HEPA Fan Air Purifier does not.
Which purifier has longer filter life?
Honeywell Allergen Plus 3-in-1 HEPA Fan Air Purifier lists a replacement interval of 3 HEPA filters, 1 pre-filter; Blueair Blue Pure 211i Max does not.
Bottom line
Blueair Blue Pure 211i Max moves more air (CADR) and covers a larger room than Honeywell Allergen Plus 3-in-1 HEPA Fan Air Purifier.
| Metric | Blueair Blue Pure 211i Max | Honeywell Allergen Plus 3-in-1 HEPA Fan Air Purifier |
|---|---|---|
| CADR (smoke) | 435 CFM | — |
| Recommended room size | 674 sq ft | — |
| Claimed coverage | 3235 sq ft | 1928 sq ft |
| Noise | 23 dB | — |
| Filter type | HEPASilent | HEPA |
| Filter interval | — | 3 HEPA filters, 1 pre-filter |
| Smart features | None | None |
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