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Inogen Authorized Retailer
We are an authorized retailer for Inogen, Caire, O2 Concepts, and more.

Top Portable Oxygen Concentrators

✓ Authorized dealer for Inogen, CAIRE & O2 Concepts

Inogen Authorized Dealer

Shopping for the best portable oxygen concentrator can get confusing fast. We carry trusted options from Inogen, CAIRE, and O2 Concepts, including popular models like the Inogen Rove 6 and Rove 4.

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Compare lightweight, travel-friendly units by oxygen output, battery life, and portability. Then call and we'll match you to the right setup based on your prescription and lifestyle.

Talk to an Oxygen Specialist
Questions? Call Us: 712-435-1306

Top Oxygen Concentrators

  • New Inogen® Rove 6 Portable Oxygen Concentrator

    Inogen

    The Inogen® Rove 6™ Portable Oxygen Concentrator delivers powerful, quiet oxygen in a lightweight 4.9 lb design built for daily life and travel. ...

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    • Pulse-dose delivery
    • Pulse settings 1–6
    • 4.8 lbs
    • FAA approved
  • New Inogen® Rove 4 Portable Oxygen Concentrator

    Inogen

    The Inogen® Rove 4™ Portable Oxygen Concentrator is designed to move with you. Lightweight, quiet, and reliable, as it delivers pulse-dose oxygen w...

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    • Pulse-dose delivery
    • Pulse settings 1–4
    • 2.9 lbs
    • FAA approved
  • New Inogen One® G5® Portable Oxygen Concentrator

    Inogen

    The Inogen One G5 isn’t just powerful—it’s remarkably compact. Measuring only 8.15” high, 7.19” wide, and 3.26” deep, it ranks among the smallest a...

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    • Pulse-dose delivery
    • Pulse settings 1–6
    • 4.7 lbs
    • FAA approved
  • Original price $4,195.00 - Original price $4,785.00
    Original price $4,195.00 - Original price $4,785.00
    Original price $4,195.00
    $2,995.00 - $3,585.00
    $2,995.00 - $3,585.00
    Current price $2,995.00

    New Oxlife Liberty2 True Continuous Flow Portable Oxygen Concentrator - O2 Concepts

    O2 Concepts

    Meet the latest innovation in oxygen therapy: the Oxlife LIBERTY2®. With 24/7 continuous flow performance up to 2.0 LPM, the Oxlife LIBERTY2® b...

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    Original price $4,195.00 - Original price $4,785.00
    Original price $4,195.00 - Original price $4,785.00
    Original price $4,195.00
    $2,995.00 - $3,585.00
    $2,995.00 - $3,585.00
    Current price $2,995.00
    • Continuous + pulse
    • Up to 2.0 LPM continuous
    • 7.5 lbs
    • FAA approved
  • Original price $2,995.00 - Original price $3,195.00
    Original price
    $2,995.00 - $3,195.00
    $2,995.00 - $3,195.00
    Current price $2,995.00

    New CAIRE FreeStyle Comfort with autoSAT Portable Oxygen Concentrator

    Caire

    Caire Freestyle Comfort Portable Oxygen Concentrator combines advanced autoSAT® smart oxygen delivery with a lightweight, ergonomic portable design...

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    Original price $2,995.00 - Original price $3,195.00
    Original price
    $2,995.00 - $3,195.00
    $2,995.00 - $3,195.00
    Current price $2,995.00
    • Pulse-dose (autoSAT)
    • Pulse settings 1–5
    • 5 lbs
    • FAA approved
  • Certified Pre-Owned Inogen® Rove 6 Portable Oxygen Concentrator

    Inogen

    Note: This unit is certified pre-owned. If you are looking for a new unit, please refer to this page. The Inogen® Rove 6™ Portable Oxygen Concent...

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    • Pulse-dose delivery
    • Pulse settings 1–6
    • 4.8 lbs
    • FAA approved
  • Certified Pre-Owned Inogen® Rove 4 Portable Oxygen Concentrator

    Inogen

    Note: This unit is certified pre-owned. If you are looking for a new unit, please refer to this page. The Inogen® Rove 4™ Portable Oxygen Concentra...

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    • Pulse-dose delivery
    • Pulse settings 1–4
    • 2.9 lbs
    • FAA approved
  • Certified Pre-Owned Inogen One® G5® Portable Oxygen Concentrator

    Inogen

    Note: This is a certified pre-owned unit. If you would like a new unit, please reference this page. The Inogen One G5 isn’t just powerful—it’s rema...

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    • Pulse-dose delivery
    • Pulse settings 1–6
    • 4.7 lbs
    • FAA approved
  • Original price $3,195.00 - Original price $3,195.00
    Original price
    $3,195.00
    $3,195.00 - $3,195.00
    Current price $3,195.00

    New OxLife Independence Portable Oxygen Concentrator - O2 Concepts

    O2 Concepts

    A leader in the non-delivery therapy revolution, the 3LPM continuous flow Oxlife INDEPENDENCE® is unlike any other POC. Powered by our patented...

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    Original price $3,195.00 - Original price $3,195.00
    Original price
    $3,195.00
    $3,195.00 - $3,195.00
    Current price $3,195.00
    • Continuous + pulse
    • Up to 3.0 LPM continuous
    • 16.7 lbs (rolling cart)
    • FAA approved
  • Original price $3,200.00 - Original price $3,550.00
    Original price
    $3,200.00 - $3,550.00
    $3,200.00 - $3,550.00
    Current price $3,200.00

    New CAIRE SeQual Eclipse 5 - Portable Oxygen Concentrator

    Caire

    Portable continuous-flow oxygen up to 3 LPM with pulse dose settings up to 9 in a versatile, travel-ready design. The CAIRE Eclipse 5 Portable Oxyg...

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    Original price $3,200.00 - Original price $3,550.00
    Original price
    $3,200.00 - $3,550.00
    $3,200.00 - $3,550.00
    Current price $3,200.00
    • Continuous + pulse
    • Up to 3.0 LPM continuous
    • 18.4 lbs (rolling cart)
    • FAA approved

Why Choose Vital Care USA?

Best Price Guarantee

We guarantee the best price on all of our portable oxygen concentrators.

BBB A+ Accredited

We have an A+ rating from the Better Business Bureau with happy customers all over the world!

Inogen Authorized Retailer

Vital Care USA is an Authorized Retailer -every unit is new, factory-sealed, and fully warrantied. Unauthorized sellers risk used, refurbished, or counterfeit devices with no protection.

Free Next Day Shipping

All portable oxygen systems are delivered for free the next day (other items are still shipped with FedEx, just not overnight).

Check Our Trustpilot Reviews

Real feedback from our customers. If you need any help, our team is here.

Verified review
Great service
"I spoke with Kay. She was very professional and answered all my questions. My unit shipped and arrived as she said it would."
Susan S.2 days ago
Verified review
Very helpful!
"Very helpful! My mind was at ease knowing the purchase process was going smoothly. Quick delivery was helpful."
James N.6 days ago
Verified review
Process was easy
"Process was easy, the rep helped me a lot, got the order from the Dr and it shipped the next day."
Michael H.Dec 30, 2025
Verified review
Great Service and Pricing
"An excellent company to do business with. Fast free shipping!! Black Friday deal was too good to pass up."
DougDec 9, 2025
Read more reviews Need help? Contact our team anytime.
Is Vital Care USA an authorized retailer?

Yes, 100% authorized. Vital Care USA only partners with fully authorized U.S. manufacturers and distributors. Every unit includes the full factory warranty and authentic U.S. serial numbers. Your purchase is always protected.

Are the oxygen concentrators brand new?

Every concentrator we ship is brand new in original factory-sealed packaging unless clearly stated otherwise. All standard accessories, manuals, and warranties are included.

You can also review our easy, customer-friendly return policy if you have questions about unopened items or eligibility.

Do I need a prescription to order?

Yes, U.S. law requires a valid prescription for most home and portable oxygen concentrators. After checkout, your doctor can fax or email it to us, or you can upload it directly.

You can also email your prescription directly to us at support@vitalcareusa.com.

Once we receive it, your order ships right away.

Vital Care USA is not a medical provider and cannot provide medical advice. We do not determine oxygen flow settings or therapy levels. Always consult your licensed healthcare provider before selecting a unit or changing your prescribed oxygen settings.

Does insurance or Medicare cover this?

Most online oxygen concentrator purchases are not covered by Medicare or private insurance when bought outright. This is because coverage is usually tied to local in-network rental programs.

Many customers still choose to buy privately because it gives them:

  • Full ownership of their device
  • No rental restrictions
  • Freedom to travel, fly, or stay active without paperwork
When will my order ship?

Most in-stock oxygen concentrators ship within 1-2 business days after we receive your prescription and verify the order. Tracking is sent automatically by email.

We also offer next-day delivery options on select models and locations. Contact us if you need fast delivery.

For full details on shipping methods, transit times, and signature requirements, please review our Shipping Policy .

Need to review returns or refunds? See our Return and Refund Policy .

What if I am not sure which concentrator is right for me?

Whether you need long battery life, higher pulse settings, or continuous-flow support, our team can help match the right device to your prescription and lifestyle.

Speak directly with an oxygen specialist at 712-435-1306. We will walk you through your options with zero pressure.

Want help choosing?
Talk to a U.S.-based oxygen specialist now and get matched to the right device for your needs.
712-435-1306