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Blue Pure 511
Blue Pure 511
Blue Pure 511
Blue Pure 511
Blue Pure 511
Blue Pure 511
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Blue Pure 511
Blue Pure 511
Blue Pure 511
Blue Pure 511
Blue Pure 511
Blue Pure 511
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Blue Pure 511

Air Purifier, Small Rooms

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  • 1 Air Purifier
  • 1 Particle & Carbon Filter
  • 1 Pre-Filter in Arctic Trail
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  • 2 Replacement Filters
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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 360˚ design

“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.”

Wirecutter Best Air Purifiers of 2024

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Why choose Blue Pure 511?

4 layers of filtration remove
99.97%³
of airborne pollutants

HEPASilent™ technology combines electrostatic and mechanical filtration to capture tiny airborne pollutants like pollen, dust and smoke, faster and quieter⁴ than traditional HEPA.

Independently proven performance

  • Free and fast shipping

  • 30 day home trial

  • Extended warranty

Blue Pure 511

Technical Specifications

  • Dimensions(HxWxD)

    13.4” x 7.9” x 7.9”

  • Product Weight

    4.2 lb

  • Energy Consumption

    16 W

  • Sound level

    24-49 dB

  • Air outlet

    top

  • Recommended room size

    189 sq. ft.

  • Air changes per hour (ACH)

    4.8

  • Clean air delivery rate (CADR)

    Pollen 123 cfm
    Dust 123 cfm
    Smoke 122 cfm

  • Number of filters

    1

  • Speed control options

    1 - 2 - 3

FAQ

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.

¹ Comparing pollen CADR on high fan speed (Blue Pure 411a Max & 411i Max vs. Blue 411 Auto), other units may vary.
Based on AHAM maximum allowable certified rating which may vary from the AHAM seal claimed valued.

² Tested on PM 2.5, pollen allergen (Cry j1), cat allergen (Def f1), fungal allergen (Alt a1), dust mite allergen (Fel d1). Performance may vary across models.

³ Tested to remove min. 99.9% of S. aureus, K. pneumoniae, P. aeruginosa, MS2, E.Coli, H1N1, A.Niger.

⁴ Tested on TVOC, sulfure dioxide, nitrogen dioxide. Deodorization tested on ammonia, acetaldehyde, acetic acid.

Note: CADR and room size values have been updated to meet new DOE standards. Website listings reflect the most accurate information. You may notice slight differences versus product packaging during the transition.