What is the life expectancy for an Inogen One G5 portable oxygen concentrator? You are here: Main Portable Concentrator FAQs Inogen One G5 Inogen One G5 FAQs What is the life expectancy for an Inogen One G5 portable oxygen concentrator? < All Topics The expected life for the Inogen One® G5 Oxygen System is 5 years or up to 10,000 hours.
