If buying from a private seller or local supplier, use this checklist:
Buying a used oxygen concentrator can save significant money, but it requires careful vetting to ensure the device is safe and effective for medical use. ; avoid sellers who do not require one, as they may be selling non-medical "air purifiers" or operating illegally. 1. Where to Buy buy used oxygen concentrator
: Generally not recommended . There is a higher risk of receiving a contaminated unit or one that does not deliver the required oxygen purity. 2. Critical Inspections & Questions If buying from a private seller or local
