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.
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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 We do not present unpublished laboratory or in-home measurements as our own testing.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 |
|---|---|---|
| CADR | 283 / 314 / 365 CFM (Smoke / Dust / Pollen, AHAM Verifide) | 234 / 233 / 257 CFM (Smoke / Dust / Pollen, AHAM Verifide) |
| Coverage | 439 sq ft (4.8 ACH) | 358 sq ft (4.8 ACH); 1,718 sq ft (1 ACH) |
| Noise level | 23-50 dB | 22-52 dB |
| Power | 32 W | 38 W |
| Filter type | HEPASilent dual filtration; Particle & Carbon main filter + washable fabric pre-filter | 3-stage: pre-filter + main filter + activated carbon |
| Filter life | 6-9 months (main filter); pre-filter washable | 12 months |
| Warranty | 1 year limited; 3 years with product registration | 2-year limited |
| Dimensions | 19 x 12.5 x 12.5 in (H x W x D) | 10.8 x 10.8 x 20.5 in |
| Weight | 7.8 lbs | 11 lbs |