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The Vornado AC550 Air Purifier uses true HEPA filtration, one of the most effective filters available, to remove up to 99.97% of airborne allergens down to .3 microns in size. The Vornado AC550 Whole Room Purifier actively circulates and filters all the air throughout a room. (Without powerful circulation, an ordinary air purifier only cleans the immediate area around the unit.) The AC550 uses a radial blower to intake and clean all the air in a room up to 335 Sq. Ft. Precision engineering allows the blower to operate quietly, despite its powerful airflow. The AC550 uses a combination of 2 HEPA and 2 carbon filters to trap dust, pollen, pet dander, smoke, bacteria, mold spores, dust mites, and more. The carbon prefilter both adsorbs odors and traps larger particles. When in Auto Mode advanced dust-sensing technology detects the level of dust in a room, fluctuating the cleaning cycle up or down, depending on the air quality.


  • True HEPA filtration captures 99.97% of particles 0.3 microns or larger such as dust, pollen, pet dander, smoke, mold spores, and more
  • Carbon prefilter adsorbs common odors from pets, smoking, and cooking and traps larger particles
  • Radial blower to intake and clean all the air in the room, up to 335 sq. ft.
  • 4-speed settings
  • Push-button electronic controls
  • Sleep mode and filter replacement indicator
  • CADR Rating: smoke 205, dust 218, pollen 245


  • Brand: Vornado
  • Color: White
  • Dimensions: 13.20 x 11.50 x 27.40 Inches
  • Weight: 14.95 Pounds
  • Weight: Pre-Filter
  • Filtration: True HEPA, Activated Carbon
  • Coverage: Up to 335 square feet
  • CADR: Smoke 205, Dust 218, Pollen 245
  • Controls: Push-button
Weight 1 lbs