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Blue Pure 511

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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
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Blue Pure 511

Air Purifier, Small Rooms

4.2
Rated 4.2 out of 5 stars
4.2 Stars (87 Reviews)
Select Model
One Time Shipment
  • 1 Air Purifier
  • 1 Particle & Carbon Filter
  • 1 Pre-Filter in Arctic Trail
  • 2 Replacement Filters
  • Save 15% on every filter
  • Pay when we send it
Select Filter Type
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  • Save 15% on every filter

Customize your purifier
Pre-Filter| Arctic Trail$6.99
Arctic Trail

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 189 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

Why choose Blue Pure 511?

“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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4 layers of filtration remove
99.97%¹ 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.

  • Free and fast shipping

  • 30 day home trial

  • Extended warranty

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.
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

4.2
Rated 4.2 out of 5 stars
Based on 87 reviews
76%would recommend this product
Write a Review (Opens in a new window)
87 reviews
  • SL
    Susan L.
    Verified Buyer
    21 seconds ago
    Rated 5 out of 5 stars
    Comfort and joy

    Love my Blueair. Thank you!

    Was this helpful?
  • LM
    Linda M. C.
    Verified Buyer
    4 days ago
    Rated 5 out of 5 stars
    quiet, clean air

    Blueair 511

    Was this helpful?
  • MP
    Michelle P.
    Verified Buyer
    3 weeks ago
    Rated 5 out of 5 stars
    I love blueair

    I love my new blueair 511 thank you so much, i rest assured my baby is breathing clean air..

    Was this helpful?
  • AC
    Anne C.
    Verified Buyer
    4 weeks ago
    Rated 5 out of 5 stars
    Except product

    Works like a charm and Bluair customer service is excellent.

    Was this helpful?
  • JO
    Jill O.
    Verified Buyer
    2 months ago
    Rated 5 out of 5 stars
    I breathe so much better with Blue Pure 511

    My BlueAir purifier suddenly stopped working after a year and when I contacted customer service, they replaced it immediately. My new Blue Pure unit arrived within a week and I am breathing easily again. I have allergies and this air purifier really minimizes the symptoms I have. Thank you BlueAir!!

    Was this helpful?

¹ Tested on PM 2.5 up to 90 mins

⁴ Noise refers to acoustic power at max. fan compared to Blue Auto models.

*Comparing CADR performance of Blueair models with mechanical and electrostatic filtration vs same models with only H13 HEPA mechanical filtration.

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.

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