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 We do not present unpublished laboratory or in-home measurements as our own testing.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

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Check price on Amazon →Read full review

Feature comparison

FeatureBLUEAIR Blue Pure 311i MaxDyson Purifier Cool
CADR283 / 314 / 365 CFM (Smoke / Dust / Pollen, AHAM Verifide)Not disclosed
Coverage439 sq ft (4.8 ACH)
Noise level23-50 dBUp to 46 dB (purifier mode, speed 4); up to 61.4 dB (fan mode, max flow)
Power32 W6-40 W input; standby under 0.5 W
Filter typeHEPASilent dual filtration; Particle & Carbon main filter + washable fabric pre-filter360-degree glass HEPA H13 + activated carbon filter (fully sealed to HEPA H13)
Filter life6-9 months (main filter); pre-filter washable12 months or when notified (6 months at 24h/day use)
Warranty1 year limited; 3 years with product registration2-year
Dimensions19 x 12.5 x 12.5 in (H x W x D)41 x 8 x 4.72 in (H x W x D)
Weight7.8 lbs11 lbs
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