FreAire B0HBJ3N8BD vs KNKA APH4000

FreAire B0HBJ3N8BD moves more air (CADR) and covers a larger room than KNKA APH4000.

Which purifier has higher CADR?

FreAire B0HBJ3N8BD has higher CADR (559 vs 226 CFM).

Which purifier is quieter?

Both list a minimum of 22 dB.

Which purifier covers a larger room?

FreAire B0HBJ3N8BD fits a larger room (about 866 vs 350 sq ft recommended from CADR).

Which purifier has better smart features?

FreAire B0HBJ3N8BD lists Wi-Fi or app control; KNKA APH4000 does not.

Which purifier has longer filter life?

FreAire B0HBJ3N8BD lists a replacement interval of 19 months; KNKA APH4000 does not.

Bottom line

FreAire B0HBJ3N8BD moves more air (CADR) and covers a larger room than KNKA APH4000.

MetricFreAire B0HBJ3N8BDKNKA APH4000
CADR (smoke)559 CFM226 CFM
Recommended room size866 sq ft350 sq ft
Claimed coverage2390 sq ft1695 sq ft
Noise22 dB22 dB
Filter typeHEPAHEPA
Filter interval19 months
Smart featuresNoneNone

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