Blue Pure 511i Max
Air Purifier, small rooms
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Keep your home a safe haven with the Blue Pure 511i Max, featuring advanced air purification that’s quiet enough for nap time yet powerful enough for allergy season.
- Quickly cleans 193ft² in 12.5 minutes, 460 ft² in 30 minutes, & 920 ft² in 1 hour.
- Automatically detects and quickly removes pollutants such as viruses, bacteria, dust, and odors.
- Compact with 360-degree air intake, so you can place it anywhere-on the floor or table.
- RealTrack in-app filter monitoring accurately tracks filter lifetime based on usage and pollutant levels.
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Wi-Fi connectivity for remote controlYes
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On/off timerYes, via Blueair App
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Speed control options1 - 2 - 3 - 4 - Auto - Night
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Integrated air sensorsYes
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Specialty filter add-on
Specialty filters designed for additional protection against allergens or smoke.
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“I love that I can operate it from anywhere with the app. I can get it going before I get home from being outdoors. It is a very quiet machine. It has night mode and will dim or turn off all lights on the machine.”
“I like having a one for each high-traffic room such as our master bedroom, office, and living room. Although this one was intended for our office, it is by far the most attractive air purifier I have yet to see, so I swapped it for the one we had in our living room.”
“The unit will automatically adjust according to the air quality, and there is a light indicator letting you know how it accesses the value. You can also set it manually, with three fan speeds, and wireless capabilities.”
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)14.5” x 9.3” x 9.3”
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Product weight4.2lbs
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Energy consumption17 W
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Sound levelLow Setting: 19 db High Setting: 48 db
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Air outletTop
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Recommended room size193 ft2
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Air changes per hour (ACH)4.8
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Clean air delivery rate (CADR)Pollen 125 cfm Dust 125 cfm Smoke 125 cfm
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Operating Power100 - 120 V
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Energy Efficiency100 - 120 V
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Number of filters1
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 511i Max in a room around 193 ft² room so your air purifier can clean the air at the AHAM recommendation of 4 times every 12.5 minutes. The Blue Pure 511i Max will clean a 460 ft² space in 30 minutes, and 920 ft² in 1 hour.
Operates quieter than a whisper on low at 19 db and is no louder than 42 dB on high fan speed.
Your filter will last up to 1 year thanks to our proprietary RealTrack algorithm that accurately calculates the remaining filter lifetime based on fan speed, usage time and pollution levels.
When it's time to replace the filter, the filter replacement LED on the interface will turn red to remind you. Alternatively, connect to the Blueair app to receive an alert and easily re-order at the touch of a button.
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