Compare Our Portable Oxygen Concentrators

Every unit we sell is FAA-approved and ships new with a full factory warranty. The first question is which type of oxygen delivery your prescription calls for: pulse dose or continuous flow. Here is the full lineup, side by side.

Pulse-Dose Portables

The lightest units for travel. Pulse-dose units deliver oxygen when you inhale. Pulse settings are not the same as liters per minute. Check your prescription or ask us before you choose.

Rhythm P2

$2,995
  • Weight4.37 lbs
  • Pulse settings1–5
  • Continuous flowNone
  • Battery lifeUp to 5 hrs (setting 1)
  • Size8.7″ × 3.4″ × 6.3″
  • Device warranty5 years
Why choose it: Just 4.37 lbs with a 5-year device warranty, at the lowest Rhythm price.
View the Rhythm P2

Rhythm P2-E6

$3,295 $3,495
  • Weight4.37 lbs
  • Pulse settings1–6
  • Continuous flowNone
  • Battery lifeUp to 5.4 hrs (setting 1)
  • Size8.7″ × 3.4″ × 6.3″
  • Device warranty5 years
Why choose it: The same 4.37 lb body with a 6th setting and longer battery life per setting.
View the Rhythm P2-E6

Caire FreeStyle Comfort

$2,995
  • Weight5 lbs (8-cell)
  • Pulse settings1–5
  • Continuous flowNone
  • Battery lifeUp to 8 hrs; 16 with 16-cell
  • Size10.0″ × 7.3″ × 3.1″
  • Device warranty3 years
Why choose it: Longest pulse-dose battery life. 8 hours standard, 16 with the 16-cell battery.
View the FreeStyle Comfort

Continuous Flow + Pulse

For prescriptions that call for a steady flow. These units deliver a constant stream of oxygen and also offer pulse settings.

Oxlife LIBERTY2

$2,895 $2,995
  • Weight6.35 lbs
  • Pulse settings1–10
  • Continuous flow0.5–2.0 LPM
  • Battery lifeUp to 4.5 hrs
  • Size9.9″ × 9.9″ × 3.8″
  • Device warranty3 years
Why choose it: The lightest continuous-flow unit we carry at 6.35 lbs, with pulse settings to 10.
View the LIBERTY2

Oxlife Independence

$3,195
  • Weight16.7 lbs
  • Pulse settings0.5–6
  • Continuous flow0.5–3.0 LPM
  • Battery lifeUp to 6 hrs (dual, pulse 2)
  • Size20.2″ × 10.9″ × 9.45″
  • Device warranty5 years
Why choose it: Continuous flow up to 3.0 LPM, dual batteries, and a 5-year device warranty.
View the Independence

Caire Eclipse 5

$3,200
  • Weight18.4 lbs
  • Pulse settings1–9
  • Continuous flow0.5–3.0 LPM
  • Battery life5.1 hrs (pulse 2); 2 hrs at 2.0 LPM
  • Size19.3″ × 12.3″ × 7.1″
  • Device warranty3 years
Why choose it: Pulse settings to 9 and continuous flow to 3.0 LPM. A home-and-travel workhorse.
View the Eclipse 5
A valid prescription is required for every portable oxygen concentrator order. Not sure which model fits your prescription? Book a free consultation and we will check the fit before you buy.
Book a Free Consultation

Or call (716) 306-2082