Oxygen solutions

Find the right oxygen concentrator for your life.

Portable concentrators from under 3 lb and quiet home units — never refill a tank again. Our specialists will match you to the right unit for your prescription and lifestyle.

Talk to a specialist Browse concentrators
Couple on a park bench, he wears a portable oxygen concentrator

Where do you need oxygen?

Most people fall into one of these three groups. Not sure? Call us — that’s what we’re here for.

On the goErrands, travel and flights. Lightweight pulse-dose portables.Lightweight portables → On the go, higher needsNeed continuous flow or higher settings away from home.Continuous-flow portables → At homeRound-the-clock oxygen, including while you sleep.Home concentrators →

Lightweight portable concentrators

Pulse-dose units that fit in a shoulder bag. FAA-approved for flights.

Inogen Rove 4 portable oxygen concentratorInogen Rove 4Lightest option — great for active days out.
Pulse dose2.9 lb4 hr battery
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CAIRE Freestyle Comfort portable oxygen concentratorCAIRE Freestyle Comfort with AutoSATErgonomic curved design that sits comfortably at your side.
Pulse dose5 lb4 hr battery
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Inogen Rove 6 portable oxygen concentratorInogen Rove 6Up to 6 hours on the standard battery for all-day outings.
Pulse dose5 lb6 hr battery
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Inogen One G5 portable oxygen concentratorInogen One G5Proven, popular all-rounder with 5-hour battery.
Pulse dose5 lb5 hr battery
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Pulse + continuous flow portables

For higher oxygen needs or nighttime use away from home. A bit heavier, often with a rolling cart.

Oxlife Liberty2 portable oxygen concentratorOxlife Liberty2Lightest continuous-flow option in our lineup.
Pulse & continuous6.6 lb4 hr battery
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GCE Zen-O portable oxygen concentratorGCE Zen-OTwo-battery package for extended time away.
Pulse & continuous10.25 lb8 hr (2 batteries)
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Oxlife Independence oxygen concentratorOxlife IndependenceIncludes two batteries and a cart.
Pulse & continuous16.7 lb5.75 hr battery
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CAIRE SeQual Eclipse 5 portable oxygen concentratorCAIRE SeQual Eclipse 5The most powerful portable we carry.
Pulse & continuous18.4 lb5 hr battery
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Home oxygen concentrators

Plug-in units for continuous oxygen around the clock — quiet enough to run while you sleep.

Inogen At Home 5L oxygen concentratorInogen At Home 5LLightest home unit — easy to move room to room.
Up to 5 LPM18 lb
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Inogen Voxi 5 oxygen concentratorInogen Voxi 5Reliable everyday 5-liter workhorse.
Up to 5 LPM34.2 lb
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CAIRE Companion 5 home oxygen concentratorCAIRE Companion 5Dependable 5-liter unit with fine flow control.
0.5–5 LPM36 lb
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CAIRE AirSep Newlife Intensity 10 oxygen concentratorCAIRE AirSep Intensity 10High-flow option for prescriptions up to 10 LPM.
2–10 LPM58 lb
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Still choosing?

See every portable side by side — weight, settings, battery life and noise — or read our head-to-head guides.

Compare all portables →Rove 6 vs. G5Rove 4 vs. Rove 6Zen-O vs. Independence
Coming soon

Try before you buy at our Florida showroom

We’re opening a showroom where you can see, hold and test-run portable concentrators side by side — with a specialist to walk you through settings, batteries and travel accessories.

  • Compare weight and noise in person
  • Get fitted with the right carry option
  • Leave with your unit set up and ready

Quick guide: what to look for

Pulse dose vs. continuous flowPulse dose delivers oxygen as you breathe in and keeps units small. Continuous flow delivers a steady stream — needed for some prescriptions and for sleep.
Weight vs. battery lifeLighter units are easier to carry; bigger batteries last longer. Extra batteries let you have both.
Traveling or cruising?Every portable here is FAA-approved. Planning a flight? Read our FAA travel guide →

100% satisfaction guarantee

Applies to respiratory equipment, including home concentrators, portable oxygen concentrators and PAP units.

0–10 days100% refund (excluding shipping) when the unit is in like-new condition with original packaging, used fewer than 10 hours and free of smoke odor.
10–30 daysRefund of your original purchase price less a 25% restocking / used-equipment fee.
After 30 daysReturns are not accepted after 30 days.

During the first 10 days, we encourage you to pick up, carry, examine and test-run your unit for up to 10 hours. Before sending any return, call 1-800-941-1402 for a return authorization — returns sent without one can’t be accepted.