What is the Inogen One G4 Decibel Level?

Scott Ridl posted this on Nov 22, 2016
The average volume on a settign of 2 for the Inogen One G4 portable oxygen concentrator is a modest 40 decibels, about the equivalent of a quiet conversation.

Learn more about the decibel level of the Inogen One G4.

What is the Inogen One G4 Decibel Level?