BLUEAIR Blue Pure 311i Max vs LEVOIT Core 400S
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 We do not present unpublished laboratory or in-home measurements as our own testing.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.
BLUEAIR Blue Pure 311i Max
BLUEAIR
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Feature comparison
| Feature | BLUEAIR Blue Pure 311i Max | LEVOIT Core 400S |
|---|---|---|
| Coverage | 439 sq ft (4.8 ACH) | 347 sq ft (4.8 ACH) |
| CADR | 283 / 314 / 365 CFM (Smoke / Dust / Pollen) | 231 / 240 / 259 CFM (Smoke / Dust / Pollen) |
| Filter type | HEPASilent dual filtration (mechanical + electrostatic) with combined particle + carbon filter | 3-in-1 H13 True HEPA + Activated Carbon |
| Noise level | 23-50 dB (rated) | 24-52 dB |
| Weight | 7.8 lbs | 13 lbs |