What is the life expectancy for a GCE Zen-O portable oxygen concentrator? You are here: Main Portable Concentrator FAQs GCE Zen-O GCE Zen-O FAQs What is the life expectancy for a GCE Zen-O portable oxygen concentrator? < All Topics The expected life for the GCE Zen-O is 5 years or up to 10,000 hours. Previous Is the GCE Zen-O a continuous flow device? Next Will exposure to extreme weather conditions or rain damage the GCE Zen-O concentrator?