BLUEAIR Blue Pure 311i Max vs Coway Airmega 250S
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 We do not present unpublished laboratory or in-home measurements as our own testing.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
Check Amazon for the current price
Coway Airmega 250S
Coway
Check Amazon for the current price
Feature comparison
| Feature | BLUEAIR Blue Pure 311i Max | Coway Airmega 250S |
|---|---|---|
| Coverage | 439 sq ft (4.8 ACH) | 373 sq ft (4.8 ACH) |
| CADR | 283 / 314 / 365 CFM (Smoke / Dust / Pollen) | 249 / 261 / 230 CFM (Smoke / Dust / Pollen) |
| Filter type | HEPASilent dual filtration (mechanical + electrostatic) with combined particle + carbon filter | Washable pre-filter + Max2 combined HEPA and Carbon |
| Noise level | 23-50 dB (rated) | 22-54 dB |
| Weight | 7.8 lbs | 20.5 lbs |