Coway Airmega 400
The Coway Airmega 400 is the one to get for large living spaces — it covers up to 1,560 sq ft with dual air intakes and a combined True HEPA + activated carbon filter that handles particles AND odors. The real-time air quality indicator ring changes color so you always know how your air is doing. Auto mode adjusts fan speed based on pollution levels, and Eco mode shuts the fan off entirely when air quality is good (saving energy). Filters last about 12 months, which is excellent for a purifier this powerful. The design is clean and modern — looks like furniture, not medical equipment. Worth every penny for open-plan homes.
Why we picked this
A powerful air purifier for large spaces with a filter that lasts over a year.
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