Why choose Blue Signature™?
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Doubles as a table-top & much more
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Dynamically displays your air quality
"The Blueair Blue Signature finally gives design-conscious homeowners an air purifier they won't want to hide."
YANKO DESIGN
“I tested it with kitchen odors while cooking, and within about 20 minutes of running the air purifier, I could smell little to nothing. I find that astonishing. I've used other air purifiers before, but this one does the trick.”
Jake
Smart control in the highly rated & newly upgraded Blueair app
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Effortlessly take control of your air
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Customize schedules to fit your lifestyle
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Smart filter lifetime tracking
Feel the difference with Blue Signature™
95%
felt it contributed to a
healthier living environment⁵
89%
prefer it over any
other air purifier⁵
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Free and fast shipping
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30 day home trial
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Extended warranty
Technical Specifications
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Dimensions(HxWxD)
17.2" x 15.5" x 15.5"
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Product Weight
13.2 lbs
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Energy Consumption
3.5-42 W
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Sound level
23-55 dB
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Air outlet
Side
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Recommended room size
705 ft²
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Air changes per hour (ACH)
4.8
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Clean air delivery rate (CADR)
Pollen 450 cfm
Dust 434 cfm
Smoke 455 cfm
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Number of filters
1
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Speed control options
1 - 2 - 3 - 4 - Auto - Night
FAQ
- JCJennifer C.Verified Buyer4 hours agoReviewingBlue Signature™ Small MidnightRated 5 out of 5 starsAMAZING!!
The only words to describe is, AMAZING!! For years my 6 year old and I have been waking up each morning with a stuffy nose and congestion of the throat. The first night we both slept with the blue signature small air purifier in each of our bedrooms, the stuffiness and congestion decreased. By day three, it was completely gone! I ended up getting a small air purifier for every bedroom in the house and a large one for the main living area. I originally bought this to address our daily stuffiness and congestion, but as a bonus, the dog smell is completely gone from my bedroom. Worth every penny!!
- EREdward R.Verified BuyerYesterdayReviewingBlue Signature™ Large Nordic FogRated 5 out of 5 starsWorks as advertised
I have several Blueair products. I bought this one for a downstairs area that had musty smell at times. It works great, and the odor was eliminated.
- DBDavid B. (.Verified BuyerYesterdayReviewingBlue Signature™ Large MidnightRated 5 out of 5 starsBlue Air signature
Powerfull ...love it ..its pretty too
- MTMartha T. B.Verified Buyer1 week agoReviewingBlue Signature™ Small Knicks Limited EditionRated 5 out of 5 starsBlue Knicks
Works great!
- LHLoren H.Verified Buyer1 week agoReviewingBlue Signature™ Small Nordic FogRated 5 out of 5 starsAn improved control panel
We got this Small Nordic Fog unit for a bedroom, and it seems to be working just fine. I was a bit surprised when the controls lit up every time I (or our dog) neared the unit, unlike the 311i unit we have in our great room.