Refurbished Inogen One G3 Portable Oxygen Concentrator — RRT-Certified, 1-Year Warranty

RRT-Certified Refurbished Inogen One G3 — Professional-Grade Portable Oxygen Therapy

The Inogen One G3 is one of the most trusted portable oxygen concentrators on the market — compact, quiet, and FAA-approved for air travel. This unit has been professionally refurbished by a Licensed Respiratory Therapist (RRT) at MyRespCo, a licensed DME supplier with Medicare enrollment based in Augusta, GA.

Every refurbished Inogen One G3 at MyRespCo ships with a 1-year mechanical warranty, new patient-contact components, and full RRT sign-off — so you're getting clinical-grade equipment at a fraction of the new price.

Why Choose a Refurbished Inogen G3 from MyRespCo?

• ✅ RRT-Certified: Inspected, cleaned, and approved by a Licensed Respiratory Therapist
• ✅ 1-Year Warranty: Full mechanical warranty — we repair or replace if it fails
• ✅ New Patient-Contact Parts: Sieve beds inspected, cannula port cleaned, filters replaced
• ✅ Licensed DME Supplier: MyRespCo is a licensed, Medicare-enrolled DME business
• ✅ FAA Approved: Inogen One G3 is approved for use on commercial aircraft
• ✅ Free Shipping: Ships with tracking to all 50 states

Inogen One G3 Clinical Specifications

• Flow Settings: Pulse dose settings 1–5
• Oxygen Purity: 87–96% oxygen concentration
• Weight: 4.8 lbs with single battery
• Battery Life: Up to 4.7 hours (single battery) / up to 9 hours (double battery)
• Noise Level: Approximately 39 dBa — quiet enough for conversation
• FAA Approved: Yes — cleared for in-cabin use on commercial flights
• Dimensions: 8.75" H x 7.69" L x 3.09" W

Who Is the Inogen One G3 For?

The G3 is ideal for patients who need supplemental oxygen therapy on the go — whether traveling, running errands, visiting family, or maintaining an active lifestyle. It's particularly well-suited for:

• COPD patients on long-term oxygen therapy (LTOT)
• Patients who travel frequently, including air travel
• Patients transitioning from home concentrator to portable use
• Patients who want a lightweight, discreet unit

What Does MyRespCo's Refurbishment Include?

1. Full disassembly and internal inspection
2. Medical-grade cleaning of all surfaces and internal airway components
3. Sieve bed performance check
4. All filters replaced
5. Cannula port and oxygen outlet inspected and cleaned
6. Performance test confirming oxygen purity output
7. 48-hour continuous operation burn-in test
8. RRT certification sign-off

Frequently Asked Questions

Is a refurbished Inogen One G3 as effective as a new one?

Yes. When properly refurbished and certified by a Licensed Respiratory Therapist, a refurbished Inogen One G3 delivers the same clinical oxygen output as a new unit. The key is the refurbishment quality — MyRespCo's 8-step RRT-certified process ensures clinical performance before every unit ships.

Does this come with a warranty?

Yes. Every refurbished Inogen One G3 from MyRespCo includes a 1-year mechanical warranty. If you experience a mechanical issue within 12 months of purchase, we will repair or replace the unit.

Is the Inogen One G3 FAA approved for flights?

Yes. The Inogen One G3 is FAA-approved for use on commercial aircraft. You will need to notify your airline in advance of travel with medical oxygen equipment.

Do I need a prescription to purchase this?

A prescription is required for oxygen concentrators. If you need clinical guidance, MyRespCo offers a $49.99 RT Consultation with a Licensed Respiratory Therapist. Book here.

What flow settings does the G3 support?

The Inogen One G3 delivers pulse-dose oxygen at settings 1 through 5. Your prescribing physician or RT will specify the appropriate flow setting for your oxygen prescription.

Questions? Contact our Licensed Respiratory Therapist directly. We respond fast and speak clinical — not sales.