Coway Airmega 400 Air Purifier vs Coway Airmega 400 S Air Purifier

  • Great for allergies and dust
  • Quiet on low level
  • Detects dirty air and enables more powerful mode
  • Mobile app is easy to use
  • Starts producing crackling sounds sometimes
  • Great for seasonal allergies
  • Cost effective
  • Not as strong as a Mighty Air Purifier
  • Easy to use

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