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Coway Airmega 400 HEPA Air Purifier — Large Room
Coway
Coway Airmega 400 HEPA Air Purifier — Large Room
83
/ 100 Low-Tox Score
HEPA filter
activated carbon
Energy Star certified
no ozone
$649.00
approx. — check brand site for current price
External link to the brand's own product page. Listings are based on Lowtoxgear's low-tox scoring criteria — we do not certify products ourselves.
Why we list this: The Airmega 400 consistently ranks highest in independent CADR testing for its room size. The combined HEPA+carbon filter in one replaceable unit reduces maintenance friction.
Key features
- Max2 filter: True HEPA + activated carbon in one unit
- Covers up to 87m² — suitable for living rooms
- Smart mode adjusts fan speed based on real-time air quality sensor
- No ioniser mode by default (ionisers produce ozone)
- Energy Star certified