Blue Pure 511
Air Purifier, small rooms
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The Blue Pure 511 air purifier combines powerful filtration with a sleek, compact design perfect for small spaces. Whisper-quiet, energy-efficient, and easy to use, it delivers cleaner, healthier air with minimal maintenance.
- Quickly cleans 182 ft² in 12.5 minutes and up to 413 ft² in 30 minutes.
- Three fan speeds quickly removes pollutants such as viruses, bacteria, dust, and odors.
- Consuming as little energy as a single lightbulb
- Variety of washable pre-filter colors designed to seamlessly blend into your space.
Powerful yet whisper-quiet
Simple one button control
Place anywhere with the 360° design
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Wi-Fi connectivity for remote controlNo
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On/off timerNo
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Speed control options1 - 2 - 3
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Integrated air sensorsYes
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“It’s a great performer for a machine of its size and power. It’s also extremely quiet, staying below our 50-decibel limit for comfortable TV viewing and sleeping, even on high...its display goes dark automatically, so this machine won’t be a distraction when you’re trying to nap or work.”
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HEPASilent™ technology combines electrostatic and mechanical filtration to capture tiny airborne pollutants like pollen, dust and smoke, faster³ and quieter⁴ than traditional HEPA.
Our original filter. Removes allergens and traps light household odors from pets, cooking and smoke
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2x more activated carbon than our original filter. Removes up to 99.99% of wildfire smoke
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Extra protection against allergens. Traps and neutralizes dust, pollen and pet dander
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Dimensions(HxWxD)13.4” x 7.9” x 7.9”
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Product weight4.2lbs
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Energy consumption16 W
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Sound levelLow Setting: 24 dB High Setting: 49 dB
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Air outletTop
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Recommended room size182 ft2
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Air changes per hour (ACH)4.8
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Clean air delivery rate (CADR)Pollen 112 cfm Dust 112 cfm Smoke 112 cfm
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Number of filters1
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Our HEPASilent™ dual filtration technology removes 99.97%¹ of airborne particles down to 0.1 microns, ensuring pollen, cooking odors, smoke, dust, pet dander, mold, chemicals, allergen matter and even tiny particles such as viruses and bacteria², are captured with minimal noise and energy consumption.
To achieve maximum performance we recommend placing your Blue Pure 511 Max in a room around 192 ft² room so your air purifier can clean the air at the AHAM recommendation of 4 times every 12.5 minutes.
Operates quieter than a whisper on low at 22 db and is no louder than 44 dB on high fan speed.
We recommend replacing the filter on your Blue Pure Mini Max every 6 months. When it's time to replace the filter, the filter replacement LED on the interface will turn red to remind you.
Register your product to extend the 1-year warranty to a 3-year warranty.
¹24/7 protection refers to the key function of GermShield™ technology, that is activated when the unit is in standby mode. Tested on Staphylococcus albus and MS2 bacteriophage (deactivation) and Ecoli (growth prevention). Not proven to kill SARS-CoV-2 or prevent transmission of COVID-19.
²Air Changes per Hour (ACH) calculation is a product of recommended room size and average ceiling height over Pcadr
³Deactivation of germs on natural flora (excluding viruses)
⁴Based 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.
5Based on tests in a HealthProtect 7400 model comparing mechanical (Blueair SmartFilter) and electrostatic filtration with only mechanical (H13 filter) filtration, producing higher CADR (GB/T18801-2015), lower noise level (ISO3743), and lower energy consumption (ANSI/AHAM AC-1).
6HEPASilentULTRA™ technology combines mechanical and electrostatic filtration to provide a higher particle Clean Air Delivery Rate (pCADR) than conventional methods of only using mechanical filtration. Based on particle CADR tests (GB/T18801-2015) comparing mechanical (Blueair SmartFilter) and electrostatic filtration with only mechanical (H13 filter) filtration.
7Based on the AHAM recommended room size of 418 ft²