DustMagnet™ 5240i
Completely filters the air in a 212 ft² room every 12.5 minutes
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Intelligent engineering blended into a beautiful piece of furniture. Patent-pending technology removes 99%¹ of airborne dust before it settles. All in a single air purifier.
Filters the air in a 212 ft² space in about 12.5 min(4.8x an hour, based on AHAM recommended removal rate)² or up to 1,017 ft² in one hour on high speed to effectively lower particle levels and maintain a comfortable environment in small to medium spaces like guest bedrooms, home offices, and dining rooms.
Patent pending DustMagnet™ technology captures 99%¹ of dust before it settles. A dual air intake and vortex airflow pattern keeps airborne dust particles moving, and an electrostatic charge cluster them together. Once inside, dust particles stick to the charged stainless steel pre-filters just like a magnet.
Feature helps to eliminate unnecessary filter replacement with accurate and custom lifetime tracking via an algorithm. Remaining filter life is estimated based on air quality conditions. Generally, recommended filter replacement is between 6-12 months with genuine Blueair filter.
'Welcome Home’ feature saves you time and conserves energy by automatically turning the unit on and off as you come and go to ensure clean air when entering your home. In-app 'Clean Air ETA' feature counts down time to clean air.
*Feature only available on the Blueair app.
Always know the room's air quality with just a glance. An air quality indicator (AQI), located on the front of the air purifier uses a five-color LED to indicate conditions measured by its particle sensor.
Minimum noise.
Up to 45% faster with up to 67% less noise than traditional HEPA filtration alone.³
*DustMagnet™ 5400 series tested to remove SARS-COV-2 in a 1280ft³ 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.
This certified air purifier uses less energy than an average LED lightbulb (about 10 W) at 4W on lowest setting and up to 22W on high. Confidently run it for quality air 24/7.
Use voice control on Amazon Alexa and Google Assistant enabled devices, or the Blueair app, to conveniently do everything from changing your purifier's settings, to putting it in auto mode.
In Auto mode your air purifier will automatically increase fan speed when pollution levels rise in your indoor environment and return to a slower speed once the air is clean.
Add dB so it reads as following: "When in night mode, your DustMagnet air purifier disables features you don't need while sleeping. This includes the Air Quality Indicator LED light and adjusting to a whisper-quiet low speed of 23dB.
The DustMagnet™ main filters do not only have a particle filter to remove dust and other fine particles, they also contain carbon particles integrated throughout the filter media to effectively trap VOCs, chemicals and light household odors from pets, cooking, smoking, and more. There are two filters, placed each at the top and bottom of the air purifier to ensure optimal removal.
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Wi-Fi connectivity for remote controlYes
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On/off timerYes (via Blueair App)
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Filter replacement indicatorYes, via LED display & Blueair App
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Speed control options1 - 2 - 3 - Auto - Night
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WheelsNo
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Integrated air sensorsYes
Included in the box
Items packaged individually within box - please read manual for set-up instructions.
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Dimensions(HxWxD)20.5 x 8.66 x 8.66 in
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Product weight10 lbs
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Energy consumption4- 22 Watts
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Sound level23 - 47 dB(A)
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Air outletSide
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Recommended filter changeEvery 6 – 12 months depending on your environment
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Recommended room size212 ft2
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Air changes per hour (ACH)4.8
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Clean air delivery rate (CADR) - Pollen140 cfm
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Clean air delivery rate (CADR) - Dust133 cfm
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Clean air delivery rate (CADR) - Smoke137 cfm
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Number of filters2
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Wi-Fi connectivity for remote controlYes, compatible with 802.11 b/g/n router on 2.4GHz Wi-Fi Network band
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On/off timerYes (via Blueair App)
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Filter replacement indicatorYes, via LED display & Blueair App
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Speed control options1 - 2 - 3 - Auto - Night
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Integrated air sensorsYes
Guarantee clean air for years to come with up to 2-years of warranty coverage when you register your air purifier.
The DustMagnet 5210i has a standard white finish, while the upgraded 5240i model features a premium, light grey textile front, matching grey legs, back panel, and a vegan leather tag.
Our DustMagnet air purifiers with ComboFilters feature integrated activated carbon throughout the particle filter media to remove both fine particles and odors and gases. While DustMagnet models absorb light household gases and odors, they are not designed to accommodate high levels of gases, chemicals and odors that can be present in wildfire smoke.
The integrated particle sensor measures fine particle (PM2.5) levels in your room and updates the color of the air quality indicator (AQI) light on the front of the air purifier based on current conditions. The light will show one of five colors; red (very polluted), orange (slightly polluted), yellow (moderate), green (good), and blue (excellent) to indicate air quality.
To extend the Limited Warranty from one year to five (5) years, simply complete the product registration form in the 'My Units' section of your customer account, within (60) days of purchase or register through the Blueair mobile app.
To reset the filter status light, press and hold the airflow speed button for 5 seconds.
¹Removal of 99% of airborne dust particles (0.5-3 µm) in 20 min on highest fan speed based on AHAM AC-1 protocol; not applicable to larger particle sizes.
²Based 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.
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.
*Tested on E.coli, S. aureus, S. albus, Influenza A (H1N1) and A.niger with a minimum reduction rate of 99.9% in 60min