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AirPurify

BLUEAIR Blue Pure 311i Max vs Dyson Purifier Cool

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 We do not present unpublished laboratory or in-home measurements as our own testing.

Features and services can change, so confirm current details with the manufacturer before buying. Affiliate commissions do not determine our editorial criteria.

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 Blue Pure 311i Max

BLUEAIR

Check Amazon for the current price

Check price on Amazon →Read full review
Dyson Purifier Cool

Dyson Purifier Cool

Dyson

Check Amazon for the current price

Read full review

Feature comparison

FeatureBLUEAIR Blue Pure 311i MaxDyson Purifier Cool
Coverage439 sq ft (4.8 ACH)800+ sq ft
CADR283 / 314 / 365 CFM (Smoke / Dust / Pollen)Not disclosed
Filter typeHEPASilent dual filtration (mechanical + electrostatic) with combined particle + carbon filterHEPA H13 + Activated Carbon
Noise level23-50 dB (rated)38-61 dB
Weight7.8 lbs10.2 lbs
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