Coway Airmega 400S
Air PurifiersCoway's spec sheet states 3,120 sq ft at 1 air change per hour and 1,560 sq ft at 2 air changes per hour - the two...
Official price US$749.00, checked 2026-10-02. No promotion verified.
Levoit Core 400S-P
Air PurifiersLevoit's official listing quotes the room figure at 1 air change per hour (1,718 sq ft), which is about 358 sq ft...
Official price US$189.99, checked 2026-10-02. No promotion verified.
Levoit Vital 200S-P
Air PurifiersLevoit states its 3-stage filtration captures at least 99.97% of 0.3-micron particles, and quotes 1,862 sq ft at 1...
Official price US$199.99, checked 2026-10-02. No promotion verified.
Blueair Blue Pure 211i Max
Air PurifiersThe clearest spec sheet of the six: Blueair publishes room size at 4.8 air changes per hour directly (674 sq ft)...
Official price US$262.49, checked 2026-10-02. No promotion verified.
Blueair Blue Pure 411i+ Max
Air PurifiersSmall-room unit with the same 4.8 ACH basis published directly (259 sq ft). Draws 20 W, the lowest of the six, and...
Official price US$118.99, checked 2026-10-02. No promotion verified.