Blue Pure 411+
Upgrade your Blue Pure 411+’s filter with the ultimate tool against wildfire season. Additional activated carbon removes up to 99.99% of wildfire smoke* along with extra protection against other wildfire emissions such as toxic gasses, smog and odors**
Compact yet powerful. One button operation. Advanced, ultra-quiet filtration. Easy to place in tight spaces for the best air. Just plug it in and let the clean air flow.
Filters the air in a 185 ft² space in about 12.5 min¹ (4.8x an hour, based on AHAM recommended removal rate) or up to 888 ft² in one hour on high speed to effectively lower particle levels and maintain a comfortable environment in spaces like nurseries, guest rooms and home offices.
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.
Minimum noise.
Only Blueair air purifiers use HEPASilent™ dual filtration technology, delivering clean air faster and more quietly than traditional HEPA filtration alone.²
With just one button to press for speed control and keep an eye on filter status, you'll never be fussing with settings or left wondering about air quality.
Easily customize your air purifier to sleekly blend into any space with up to six washable pre-filter fabric colors. Dark Shadow and Diva Blue are included.
A 360-degree air intake means you can place the 411+ 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 17 dB on its lowest speed, and no louder than a 46 dB rainfall on its highest setting.
This certified air purifier uses less energy than an average LED lightbulb (about 10 W) at 1.5W 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.
Never worry about guessing when to replace your filter. A built-in LED filter lifetime indicator glows red when you are due for a replacement. Subscribe to our filter club for auto-replenishment every 6 months for optimal performance.
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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 options1 - 2 - 3
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WheelsNo
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Integrated air sensorsNo
Items packaged individually within box - please read manual for set-up instructions.
Blue Pure 411+ air purifier
Washable pre-filter in Dark Shadow
Instruction manual
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Dimensions(HxWxD)17 x 7.8 x 7.8 in
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Product weight3.4lbs
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Energy consumption1.5 - 10 W
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Sound level17 - 46 dB(A)
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Air outletTop
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Air inlet360°
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Recommended room size185 ft2
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Air changes per hour (ACH)4.8
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Clean air delivery rate (CADR) - Pollen120 cfm
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Clean air delivery rate (CADR) - Dust120 cfm
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Clean air delivery rate (CADR) - Smoke105 cfm
Guarantee clean air for years to come with up to 2-years of warranty coverage when you register your air purifier.
The Blue Pure 411+ builds on the functional design and performance efficiency of the original Blue Pure 411 model with an increased Clean Air Delivery Rate (CADR) and room size capacity (185 ft²), at relatively 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.
Yes! The Blue Pure 411+ 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 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 Blue Pure 411+ 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) with a minimum reduction rate of 99.9% in 60min
³Comparing CADR performance of Blueair models with mechanical and electrostatic filtration vs same models with only H13 HEPA mechanical filtration. When similar CADR was measured, Blueair models with mechanical and electrostatic filtration achieved less noise with less energy than same models with only H13 HEPA mechanical filtration.
*Tested on E.Coli, Influenza A (H1N1), A.niger with minimum reduction rate of 99.9% in 60min.