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.

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.
Lightweight portable concentrators
Pulse-dose units that fit in a shoulder bag. FAA-approved for flights.
CAIRE Freestyle Comfort with AutoSATErgonomic curved design that sits comfortably at your side.Learn morePulse + continuous flow portables
For higher oxygen needs or nighttime use away from home. A bit heavier, often with a rolling cart.
Home oxygen concentrators
Plug-in units for continuous oxygen around the clock — quiet enough to run while you sleep.
Still choosing?
See every portable side by side — weight, settings, battery life and noise — or read our head-to-head guides.
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
100% satisfaction guarantee
Applies to respiratory equipment, including home concentrators, portable oxygen concentrators and PAP units.
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.

Inogen Rove 4
Inogen Rove 6
Inogen One G5
Oxlife Liberty2
GCE Zen-O
Oxlife Independence
CAIRE SeQual Eclipse 5
Inogen At Home 5L
Inogen Voxi 5
CAIRE Companion 5
CAIRE AirSep Intensity 10