Why choose Blue Pure 511i Max?
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Perfect for busy families
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Whisper quiet when you need it most
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Kid-friendly design
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Reliable air quality insights
“I love that I can operate it from anywhere with the app. I can get it going before I get home from being outdoors. It is a very quiet machine. It has night mode and will dim or turn off all lights on the machine.”
Lesann
“I like having a one for each high-traffic room such as our master bedroom, office, and living room. Although this one was intended for our office, it is by far the most attractive air purifier I have yet to see, so I swapped it for the one we had in our living room.”
MrsAdams
“The unit will automatically adjust according to the air quality, and there is a light indicator letting you know how it accesses the value. You can also set it manually, with three fan speeds, and wireless capabilities.”
Kmill
Meet our filters
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Particle & Carbon
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SmokeBlock
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AllergenBlock⁵
Exclusive features in the highly rated Blueair app
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Effortlessly take control of your air
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Custom Schedules to Fit Your Lifestyle
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RealTrack Technology®
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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)
14.5” x 9.3” x 9.3”
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Product Weight
4.2 lb
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Energy Consumption
17 W
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Sound level
19-48 dB
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Air outlet
Top
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Recommended room size
237 sq. ft.
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Air changes per hour (ACH)
4.8
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Clean air delivery rate (CADR)
Pollen 174 cfm
Dust 159 cfm
Smoke 153 cfm
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Number of filters
1
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Speed control options
1 - 2 - 3 - Auto - Night
FAQ
- LHLina H.Verified Buyer16 hours agoReviewingBlue Pure 311i MaxRated 5 out of 5 starsKeeping living space air clean
I have the 300 in my family room. It is set on auto and works wonderfully. The air has never been fresher even with a wood burning fireplace nearby
- PFPaul F.Verified Buyer18 hours agoReviewingBlue Pure 311i+ MaxRated 5 out of 5 starsGreat Air Purifier
The Blue Pure 311i+ is an amazing product. Placed it in our family room which has a usable masonry fireplace. Helps the room so much with removing fireplace odor and dirty residue and keeping the room air fresh. Delighted with our purchase. Highly recommend the 311i+.
- SBSusan B. M.Verified Buyer4 days agoReviewingBlue Pure 311i MaxRated 5 out of 5 starsBlue Air
I've enjoyed the Blue Air products in the past, so I know this model will perform well. I like the design and it's easy to use.
- JMJim M.Verified Buyer4 days agoReviewingBlue Pure 511i Max BundleRated 5 out of 5 starsPure Air 511i Max Bundle
I now have 4 of these air purifiers running in my 2 story house. They went to working right away and I am amazed at how quickly they detect things in the air that I can't even see. The best part of my experience with them is my sneezing stopped within a day after I started running them.
- ACApril C.Verified Buyer5 days agoReviewingBlue Pure 211i MaxRated 5 out of 5 starsVery quiet compared to Shark
This is very nice so far. Hopefully it lasts more than a few months unlike my Shark. This cleans the air quick! I have had it for a week or so now and my nose is not stuffy anymore! Also, all other air purifiers must make a very high pitch noise that scares my dogs- as soon as I replaced my Shark with Blue- my dogs stopped shaking and pacing around! LOVE IT- so far.