“How quiet is this unit?”

1-3 of 3 Answers

• This unit is very quiet. You hardly know it is running.

  Answered by John 3 years ago

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• very quiet, some hissing from the steam

  Answered by Floormodel 5 years ago

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• The ultrasonic disc has a frequency of 1.67 Mega Hertz.

  Answered by GuardianTechnologies 5 years ago

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