Coway Airmega 400S vs LEVOIT Core 300
Side-by-side comparison based on published product information. Check Amazon for current price and availability.
How we evaluate products
We compare published manufacturer specifications, manuals, support policies, and relevant public guidance. We do not present unpublished laboratory or in-home measurements as our own testing.
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Use the feature table below to match published specifications to your room, filtration, and noise requirements. We do not assign an overall score without retained independent test evidence.
Feature comparison
| Feature | Coway Airmega 400S | LEVOIT Core 300 |
|---|---|---|
| CADR | 328 / 328 / 400 CFM (Smoke / Dust / Pollen) | 143 / 153 / 167 CFM (Smoke / Dust / Pollen, per official manual) |
| Coverage | 1,560 sq ft (2 ACH); 3,120 sq ft (1 ACH) | 222 sq ft (4.8 ACH); 1,066 sq ft (1 ACH) |
| Noise level | 22-52 dB(A) | 24-54.5 dB |
| Power | 66 W | 56 W |
| Filter type | 2 washable pre-filters + Max2 filter set (activated carbon + HEPA) | 3-stage: pre-filter + main filter + activated carbon |
| Filter life | Max2 filter set 1 year; pre-filters washable | 6-8 months |
| Warranty | 1 year (parts); 5 years (motor and electronic parts) | 2-year limited |
| Dimensions | 14.8 x 22.8 x 14.8 in (W x H x D) | 8.7 x 8.7 x 14.2 in |
| Weight | 24.7 lbs | 7.9 lbs |