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  5. Blue Signature Large
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Blueair Blue Signature Large  Air Purifier Review

Notice: Below are the preliminary measurements for the Blueair Blue Signature Large. Members have early access to the test results, and some measurements may be updated before publication.

The full review will be published in a few days.
Tested using Methodology v1.2 
Blueair Blue Signature Large

Track

Activated Carbon
Locked

Track

GIFT THIS REVIEW

 0

Changelog

  1.  Updated Jun 03, 2026: Early access published.
  2.  Updated Jun 01, 2026: Our testers have started testing this product.
  3.  Updated May 22, 2026: The product has arrived in our lab, and our testers will start evaluating it soon.
  4.  Updated May 21, 2026: We've purchased the product and are waiting for it to arrive in our lab.

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Test Results

perceptual testing image
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Design
Body
SAMPLE
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for pictures & test results

Blueair Blue Signature Large Air Purifier Design Photo Sample
HeightLockedLock" (Lock cm)
WidthLockedLock" (Lock cm)
DepthLockedLock" (Lock cm)
Weight
LockedLock lbs (Lock kg)
Power Cord LengthLockedLock" (Lock cm)
Wheels
LockedLocked
Display And Control
SAMPLE
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for pictures & test results

Blueair Blue Signature Large Main Controls Sample
Filter Change Indicator
LockedLocked
Air Quality Sensor Auto Mode
LockedLocked
Remote Control
LockedLocked
App
LockedLocked
Display On/Off
LockedLocked
Timer Function
LockedLocked
Number Of Fan Speeds
LockedLock
Filter Configuration
SAMPLE
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for pictures & test results

Blueair Blue Signature Large Filter Configuration Photo Sample
SAMPLE
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Blueair Blue Signature Large Filter Localization Photo Sample
Filtration Layers
LockedLocked
Activated Carbon
LockedLocked
Performance
0.0
Particle Filtration Rate
SAMPLE
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Blueair Blue Signature Large Purification Graph Sample
Measured PM1.0 CADR
LockedLock m³/hr (Lock CFM)
Recommended Room Size @ Max Fan Speed
LockedLock m² (Lock ft²)
0.0
Low-Noise Particle Filtration Rate
SAMPLE
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for pictures & test results

Blueair Blue Signature Large Purification Graph @ ≤ 45dBA Sample
Measured PM1.0 CADR
LockedLock m³/hr (Lock CFM)
Fan Speed Used
LockedLocked
Recommended Room Size
LockedLock m² (Lock ft²)
0.0
Noise
SAMPLE
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for videos & test results

Blueair Blue Signature Large Noise Video Sample
Noise @ Lowest Fan Speed
LockedLockdBA
Noise @ Highest Fan Speed
LockedLockdBA
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