Blueair 500 Series Air Purifier
Blueair 503SM $729.00
500 Series Air Purifier

500 Series Air Purifier

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Filtration Type:

Blueair 500 Series Air Purifier

The Blueair 500 Series (503, 503SM) offers exceptional performance, unmatched quality, and whisper-silent operation. Using patented HEPASilent™ technology which combines the best features of electrostatic and mechanical filtration, this unit delivers clean air faster and with less noise than conventional air purifiers.

Ideal for use in large rooms (approximately 580 sq ft), the 500 series has a clean air delivery rate of 375 and cleans air with 99.97% filtration efficiency. This unit is also available in the Smoke Stop model which removes tobacco smoke, secondhand smoke and gas from the air more effectively.

  • Energy Star Qualified:

    This appliance has earned an Energy Star rating, which means it meets strict energy-efficiency guidelines set by the EPA and U.S. Department of Energy

  • Free Lifetime Extended Warranty:

    Blueair offers a free lifetime extended warranty for this product. For more information, download the Blueair warranty extension form found below

  • Corresponding Filters:

    The 503 uses 500-600 Series Particle Filters (500-600PART), the 503SM uses 500-600 Series Carbon Filters (500-600SMOKE)


  • Model: 503, 503SM
    Blueair 500 Series Air Purifier
  • Brand: Blueair
    Available in Smoke Stop model (503SM)
  • 99.97% filtration efficiency
    For use in large rooms
  • Operational area: 580 sq ft
    CADR (Clean Air Delivery Rate): 375
  • Warranty: 1 year limited
    Noise level: 35 dbA on low, 71 dbA on high
  • Lifetime warranty available
    Dimensions: 26" H x 20" W x 13" D