Ask about these important credentials:1. The company should be accredited.
2. Reputable companies require a doctor's prescription. It's the law!
3. What does their "refurbishing" include? A full rebuild of an oxygen concentrator involves:
- Rebuilding the compressor
- Rebuilding all valves
- Installing new tubing
- Repouring the sieve canister
5. The concentrator should come with a 90-day warranty.