Blue Pure 211+ Auto
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Blue 211+ Auto has been rated and recommended by Consumer Reports.
Upgrade your Blue Pure 211+ Auto’s filter with the ultimate tool against wildfire season. Additional activated carbon removes up to 99.99% of wildfire smoke⁴ along with extra protection against other wildfire emissions such as toxic gasses, smog and odors⁵
Compact and customizable design. Effortless operation. 360 degrees of advanced filtration. Just plug it in and auto settings do all the work for you. Powerful air filtration has never been this easy.
Filters the air in a 550 ft² space in about 12.5 min¹ (4.8x an hour, based on AHAM recommended removal rate) or up to 2,640 ft² in one hour on high speed to effectively lower particle levels and maintain a comfortable environment in large spaces like living rooms, bedrooms and playrooms. (4.8 air changes per hour in 550ft²
An outer fabric washable pre-filter starts the process by removing larger particles. This also extends the life of the main filter.
The main particle filter removes everything from pollen, dust, and pet dander to viruses and bacteria².
Then a layer of activated carbon goes to work, ridding households of light odors from pets, cooking, and smoking.
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Minimum noise.
Up to 45% faster with up to 67% less noise than traditional HEPA filtration alone.³
*Blue Pure 411 Auto tested to remove SARS-COV-2 in a 640ft³ chamber, in 60 mins on high. Performed under standard laboratory conditions and actual performance may vary. Not proven to kill SARS-CoV-2 or prevent transmission of COVID-19.
One-touch auto mode uses a particle sensor to constantly adjust the fan to the perfect setting. An LED display reports on air quality with three colors.
Easily customize your air purifier to sleekly blend into any space with up to five washable pre-filter fabric colors. Scandinavian inspired Arctic Trail is included.
A 360-degree air intake means you can place the 211+ Auto almost anywhere without compromising performance. Combine this with its compact and lightweight design, and you have an air purifier that is easy to move and place wherever suits you.
Get clean air while you work or sleep without disruption. Operates at noise-levels that are a whisper quiet 23 dB on its lowest speed, and no louder than a 56 dB rainfall on its highest setting.
When independently tested, Blueair consistently outperforms models from other leading brands. The
Blue Pure 211+ Auto delivers 6x more clean air than Dyson's HP04*
This certified air purifier uses less energy than an average LED lightbulb (about 10 W) at 4W on lowest setting and up to 38W on high. Confidently run it for quality air 24/7.
While the colorful fabric of the washable pre-filter looks great, it also extends the life of its primary filter by catching large particles. Its fabric can be vaccummed or put in a washing machine for easy cleaning.
An AQI, or air quality indicator, uses an LED to display colors for good, moderate, or poor based on the amount of fine, PM2.5, particles an integrated particle sensor finds in your space.
Never worry about your filter's quality with a built-in LED warning system that glows red when you are due for a refresh. For optimal performance, we recommend replacing filters every 6 months.
With just one button to press and keep an eye on for filter status, you'll never be fussing with settings or wondering about air quality.
Interact with your air purifier and it brightens up for easy reading, then after approximately 7 seconds, the LED light will automatically return to a calming 10% level of brightness.
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Wi-Fi connectivity for remote controlNo
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On/off timerNo
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Filter replacement indicatorYes
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Speed control optionsAUTO- 1-2-3
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WheelsNo
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Integrated air sensorsYes, particle sensor
Items packaged individually within box - please read manual for set-up instructions.
Blue Pure 211+ Auto air purifier
Washable pre-filter in Arctic Trail
Instruction manual
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Dimensions(HxWxD)20.5 x 13 x 13 in
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Product weight12.5lbs
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Energy consumption4-38 W
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Sound level23 - 56 dB(A)
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Air outletTop
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Air inlet360°
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Recommended room size550 ft2
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Air changes per hour (ACH)4.8
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Clean air delivery rate (CADR) - Pollen380 cfm
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Clean air delivery rate (CADR) - Dust347 cfm
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Clean air delivery rate (CADR) - Smoke353 cfm
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Number of filters1
Guarantee clean air for years to come with up to 2-years of warranty coverage when you register your air purifier.
The upgraded, Auto version of the Blue Pure 211+ model features an integrated particle sensor, intuitive Auto mode setting, and 3-color LED air quality indicator. The newer model also differs in its slightly larger recommended room size of 550 ft², slightly higher smoke (353 cfm) and pollen (380 cfm) Clean Air Delivery Rate (CADR), as well as lower noise levels (23-56 dB) and energy consumption (4-38 W).
Press and hold down the LED button for 10 seconds to reset the replacement filter indicator.
To extend the Limited Warranty from one year to two (2) years, simply complete the product registration form in the 'Warranty' section of your customer account, within (60) days of purchase or register through the Blueair mobile app.
Vacuum the exterior of the fabric pre-filter to remove dust as often as you'd like. When the pre-filter requires a deeper clean, it can be washed on a gentle, low-temperature cycle in the washing machine. Hang to dry.
The LED indicator will turn yellow after 5 months of operation to warn that it's almost time to change the filter. When the indicator light turns red (one month later), it’s time to change the main filter.
¹Based on third-party testing of removal rate of fine particles according to GB/T18801-2015 standard and pollen removal rate according to AHAM AC/1-2019 standard. According to AHAM, air changes per hour (ACH) is the measure of the outside air volume added to a space divided by the volume of that space over a set amount of time.
²Tested on E.coli, Influenza A (H1N1), A.niger with a minimum reduction rate of 99.9% in 60min
³Comparing CADR performance of Blueair models vs same models with only H13 HEPA. At similar CADRs, Blueair models achieved less noise than same models with only H13 HEPA. Noise refers to the dB(A) difference in acoustic power. Tested on Blue Pure 211+ Auto, DustMagnet™ 5400i, Protect 7400 series. Performance may vary.
⁴Based on removal testing of particles 0.4-0.7um in 60min in a 30m³ room. Performance may vary.
⁵Tested on benzene, toluene, nitrogen oxide, sulfur dioxide.
*Tested on E.Coli, Influenza A (H1N1), A.niger with minimum reduction rate of 99.9% in 60min.