BLUEAIR Blue Pure 211i Max vs BLUEAIR Blue Pure 311i Max
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 We do not present unpublished laboratory or in-home measurements as our own testing.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 211i Max
BLUEAIR
Check Amazon for the current price
BLUEAIR Blue Pure 311i Max
BLUEAIR
Check Amazon for the current price
Feature comparison
| Feature | BLUEAIR Blue Pure 211i Max | BLUEAIR Blue Pure 311i Max |
|---|---|---|
| Coverage | 653 sq ft (4.8 ACH) | 439 sq ft (4.8 ACH) |
| CADR | 435 / 452 / 450 CFM (Smoke / Dust / Pollen) | 283 / 314 / 365 CFM (Smoke / Dust / Pollen) |
| Filter type | HEPASilent dual filtration (mechanical + electrostatic) with combined particle + carbon filter | HEPASilent dual filtration (mechanical + electrostatic) with combined particle + carbon filter |
| Noise level | 23-53 dB (rated) | 23-50 dB (rated) |
| Weight | 16.2 lbs | 7.8 lbs |