Blue Pure 411 Auto
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Upgrade your Blue Pure 411 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
You get it all. Compact and customizable design. Effortless operation. 360 degrees of advanced filtration. Just plug it in and auto settings do all the work for you. Cleaning the air has never been this easy.
Filters the air in a 190 ft² space in about 12.5 min¹ (4.8x an hour, based on AHAM recommended removal rate) or up to 912 ft²in one hour on high speed to effectively lower particle levels and maintain a comfortable environment in spaces like nurseries, guest rooms and home offices. (4.8 air changes per hour, 190ft²
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 bacteria.²
Then a layer of activated carbon goes to work, ridding households of light odors from pets, cooking, and smoking.
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, based on your real-time air quality. An LED indicator displays air quality status using 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 411 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.
Quiet Mark certified as one of the quietest air purifiers in its category. Operates on low at a whisper silent 18 dB, and a library-like-hush on high, or 48 dB. Work or sleep by it with ease.
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 2W on lowest setting and up to 10W 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.
Wi-Fi connectivity for remote controlNo
Filter replacement indicatorYes
Speed control optionsAUTO- 1-2-3
Integrated air sensorsYes, particle sensor
Items packaged individually within box - please read manual for set-up instructions.
Blue Pure 411 Auto air purifier
Washable pre-filter in Arctic Trail
Filter TypeParticle filter + Carbon sheet. Activated coconut shell carbon. Non-woven gradient Polypropelyne fibers. Free of chemicals and binders. Fiber shedding resistance.
Dimensions(HxWxD)16.7 x 7.9 x 7.9 in
Energy consumption2 - 10 W
Sound level18 - 48 dB(A)
Filter recyclingPlastic. Check your local recycling requirements for carbon.
Recommended filter change6 months (4,380 hours) when used 24 hours a day
Recommended room size190 ft2
Air changes per hour (ACH)4.8
Clean air delivery rate (CADR) - Pollen96 cfm
Clean air delivery rate (CADR) - Dust107 cfm
Clean air delivery rate (CADR) - Smoke123 cfm
Number of filters1
Guarantee clean air for years to come with up to 2-years of warranty coverage when you register your air purifier.
Building on the original Blue Pure 411 model's functional design and performance efficiency, the 411 Auto features new premium pre-filters, integrated particle sensor, Auto mode setting, and LED air quality display. The new model also features a slightly increased recommended room size (up to 190 ft²), at the same compact size as the original.
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.
The integrated particle sensor measures the concentration of fine particles (PM2.5) in your indoor air. The LED air quality indicator (AQI) display uses a three-color scale to represent current PM2.5 concentrations as good (blue), moderate (yellow), or polluted (red).
The lights on the LED touch-button indicate the selected fan speed setting. Touch once to set to Auto mode (all three LED lights lit). Press twice for the lowest fan speed (top right LED lit), three times for medium (bottom LED lit), four times for high (top left LED lit). Press a fifth time to turn the air purifier off (no LEDs lit).
You'll notice that after about 5 seconds, the LED lights on the touch-button dim down to 0% brightness. To change speed settings, you'll need to tap the button once to 'wake up' the air purifier and then cycle through settings.
Yes! The Blue Pure 411 Auto is compact and lightweight making it easy to place anywhere including your desk or countertop. However, to get the most out of your air purifier and effectively clean the air you're breathing, an air purifier’s performance should be based on the total square footage the space you will be in – not just the immediately surrounding area. Be sure to purchase based on the total size of the space you'll be in. We offer business solutions for larger office spaces, which you can suggest to your office management to consider.
The Blue Pure 411 Auto is compact and lightweight in size, and sleek in design, making it easy to place anywhere – ideally in a more central, open location of the room you're using it in. This way, it's able to most effectively capture the airborne particles in your space and let out clean, fresh air in return.
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.