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AirPurify

BLUEAIR Blue Pure 311i Max vs Shark HP152 NeverChange

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 We do not present unpublished laboratory or in-home measurements as our own testing.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
Shark HP152 NeverChange

Shark HP152 NeverChange

Shark

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Check price on Amazon →Read full review

Feature comparison

FeatureBLUEAIR Blue Pure 311i MaxShark HP152 NeverChange
CADR283 / 314 / 365 CFM (Smoke / Dust / Pollen, AHAM Verifide)97 / 105 / 114 CFM (Smoke / Dust / Pollen, ENERGY STAR)
Coverage439 sq ft (4.8 ACH)150 sq ft (ENERGY STAR); purifies up to 650 sq ft in 1 hour
Noise level23-50 dB
Power32 W26 W
Filter typeHEPASilent dual filtration; Particle & Carbon main filter + washable fabric pre-filterTrue HEPA multi-filter: NanoSeal HEPA + Odor Neutralizer cartridge + Debris Defense rinseable screens
Filter life6-9 months (main filter); pre-filter washableUp to 5 years (NeverChange HEPA)
Warranty1 year limited; 3 years with product registration2-year limited
Dimensions19 x 12.5 x 12.5 in (H x W x D)9.76 x 9.53 x 15.16 in (L x W x H)
Weight7.8 lbs9.74 lbs
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