“Does it play white noise ? Is the true hepa air purifier core 300S & The plasma pro 300S the same item ?”

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• The noise level for this model ranges from 22dB - 50 dB. The PlasmaPro model has an optional plasma function that works by breaking down pollutants' molecular structure through the bonding of negative and positive ions.

  Answered by Etekcity-Cosori-Levoit 2 years ago

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