We Buy Used Oxygen Concentrators for Top Dollar
Buy Back Program | Main Clinic Supply

Want to know where to sell your portable oxygen concentrator for the best price, or what to expect when you sell your portable oxygen machine? Learn the basics below and complete the form to receive an offer.
Fast Facts: How the Buy Back Works
- What we buy: Used Inogen One portable oxygen concentrators.
- How to start: Complete the form below — we'll email you an offer.
- What affects the offer: Brand, model, weight, hours of use, batteries, and accessories included.
- Legal note: A US sale of a portable oxygen concentrator requires a valid physician's prescription. Selling on eBay or Craigslist violates their terms of service.
How much is your portable oxygen concentrator worth?
Three variables affect the amount a seller might receive:
- The brand, type, model, and weight
- The hours of use
- The number of batteries, power supplies, and additional accessories included in the package
Complete the form below and we'll email you an offer for your portable oxygen concentrator.
Craigslist policy
From craigslist.org/about/prohibited:
"Prescription drugs, medical devices; controlled substances and related items"


Disclaimer: Portable oxygen concentrators are FDA-cleared medical devices. Their sale and resale within the United States requires a valid physician's prescription. This page is for informational purposes about Main Clinic Supply's Buy Back Program; offer amounts depend on device condition, accessories, and current market.