Fowler, C.
To hard to understand the different…
To hard to understand the different settings. ABCD what number should I use.
Response from Oxygen Concentrator StoreJul 24, 2026
Thank you for your feedback, Clark. We're sorry the different settings were confusing to follow. Please call us at 877-303-9289 and our team will be happy to walk you through exactly which setting is right for you. If you ever need anything else, feel free to reach out, we're here to help!



