BLUEAIR Blue Pure 311i Max vs BLUEAIR Blue Pure 411i Max

BLUEAIR Blue Pure 311i Max moves more air (CADR) and covers a larger room than BLUEAIR Blue Pure 411i Max.

Which purifier has higher CADR?

BLUEAIR Blue Pure 311i Max has higher CADR (365 vs 141 CFM).

Which purifier is quieter?

BLUEAIR Blue Pure 411i Max is quieter (18 vs 23 dB).

Which purifier covers a larger room?

BLUEAIR Blue Pure 311i Max fits a larger room (about 566 vs 219 sq ft recommended from CADR).

Which purifier has better smart features?

Both list smart features (None vs None).

Which purifier has longer filter life?

BLUEAIR Blue Pure 311i Max lists 9 months; BLUEAIR Blue Pure 411i Max lists 6-8 months. 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 BLUEAIR Blue Pure 411i Max.

MetricBLUEAIR Blue Pure 311i MaxBLUEAIR Blue Pure 411i Max
CADR (smoke)365 CFM141 CFM
Recommended room size566 sq ft219 sq ft
Claimed coverage2107 sq ft1080 sq ft
Noise23 dB18 dB
Filter typeHEPASilentHEPASilent
Filter interval9 months6-8 months
Smart featuresNoneNone

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