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
- RBRodney B.Verified Buyer3 minutes agoReviewingBlue Signature™ Small Nordic FogRated 5 out of 5 starsBlue Signature small
This unit works great for my bedroom. It replaces a Blue Air 311+ auto that stopped running after about 3 years. This new unit has several technological improvements. It is quiet and small so I don’t notice it’s in the room.
- JBJames B.Verified Buyer11 hours agoReviewingBlue Signature™ Large MidnightRated 5 out of 5 starsCleans the Air Quickly
Keeps an eye on the air quality and keeps it clean - no need to do anything except know that your indoor air is perfect! You can feel, smell, and tell the difference.
It removes farty teenage boy smells in a couple
minutes.
- MBMartha B.Verified BuyerYesterdayReviewingBlue Signature™ Large MidnightRated 5 out of 5 starsMartha B
Hoping it will work as well during wildfire smoke.
- MSMarc S.Verified Buyer5 days agoReviewingBlue Signature™ Small Nordic FogRated 5 out of 5 starsQuiet
Seems to work well and is quiet and seems efficient. We are using in our open floor plan 1,500 sq foot condo.
- SCSharon C.Verified Buyer1 week agoReviewingBlue Signature™ Large Nordic FogRated 5 out of 5 starsLove it!
Our neighbor burn wood next-door and it caused our house to smell like smoke really bad. The blue air purifier light turned red and noticed the air quality indoors was bad. Within an hour, the air quality was good again and we could breathe once more. We love it so much, we are thinking about getting one for the bedroom as well.