Levoit Core 400S vs Winix Zero S Air Purifier

  • Great for allergies and asthma
  • Quiet fan noise
  • High pitched winey sound
  • Works well in the beginning but not so much now
  • App is handy and useful
  • Great for reducing CO2 and VOC levels
  • Quiet on most fan settings
  • Good air quality monitoring with colour coded light display
  • Uncalibrated
  • Needs to be placed on a hard, flat surface

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