The React Health Phoenix 5L Oxygen Concentrator is a reliable, medical-grade stationary concentrator for continuous oxygen therapy at home, in clinics, or in veterinary settings. Designed for quiet operation and long-term durability, the Phoenix delivers consistent, high-purity oxygen with simple controls and low maintenance.
Built around a powerful PSA (Pressure Swing Adsorption) system, the Phoenix produces up to 5 LPM at purity levels typically reaching 90–96% — dependable performance for daily therapy needs in a compact rolling form factor.
Fast Facts: React Health Phoenix 5L
- Flow: Adjustable 0.5 to 5 LPM continuous flow.
- Purity: 90–96% oxygen purity at rated flow.
- Safety alarms: Built-in alerts for power failure, low oxygen, and system fault.
- Humidifier compatible: Use with a humidifier bottle for dry-air comfort.
- Free next-day FedEx delivery: Shipped fast at no extra cost.
Call our Oxygen Specialists at 1-800-775-0942 — we'll help you confirm the Phoenix is right for your prescription, clinic, or veterinary setup.
Key features
- Adjustable oxygen flow: 0.5 to 5 LPM
- High oxygen purity: Up to 90–96% at rated flow
- Continuous duty operation — built for non-stop home use
- Quiet, efficient compressor
- Built-in safety alarms: Power failure, low oxygen, system fault
- Easy-to-read flow meter
- Humidifier bottle compatibility
- Smooth-rolling wheels for easy mobility
- Accessible filters for simple maintenance
Ideal for
- Home oxygen therapy
- Clinics and medical facilities
- Veterinary and animal care use
- Backup oxygen systems
Your purchase includes
The React Health Phoenix 5L Oxygen Concentrator comes with:
- Phoenix 5L oxygen concentrator with up to 5 LPM continuous flow
- Wide-grip handle for comfortable transport
- AC wall power supply
- Humidifier bottle
- Oxygen tubing and swivel connector
- Soft and comfortable nasal cannulas
- User manual
- 3-year warranty — upgradable to lifetime (see dropdown above)
- Lifetime access to 24-hour tech support
- Free FedEx delivery
Why choose the Phoenix 5L?
The Phoenix 5L delivers dependable oxygen output in a durable, easy-to-use design. It's built for users who want consistent performance, straightforward operation, and long-term reliability without unnecessary complexity.
Call to learn more: 1-800-775-0942.
Fax your oxygen prescription to 1-800-819-7179, or email rx@mainclinicsupply.com.
We are also happy to obtain the prescription on your behalf after you place your order.
About Main Clinic Supply
We're based in Rochester, Minnesota — home of the world-famous Mayo Clinic. We deliver free to all Mayo Clinic hospitals and local hotels. With FedEx's strong presence in Rochester, our family-owned business is able to ship late into the evening.
Inspired by Mayo Clinic's values, we prioritize helping people over making profits — embodying Dr. Mayo's 1910 mission statement: "The needs of the patient come first."


