CAIRE
CAIRE FreeStyle Comfort
$2,395Cheaper
Released 2018-08
Best Portable Oxygen Concentrators · head-to-head
A sourced, side-by-side comparison. CAIRE FreeStyle Comfort is cheaper at $2,395. Every spec and price links to its source.
CAIRE
$2,395Cheaper
Released 2018-08
Drive DeVilbiss Healthcare
$3,399
On the specs we track, they're closely matched. The CAIRE FreeStyle Comfort is the cheaper at $2,395.
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✓ marks the stronger figure where "more" — or "less", for price and weight — is unambiguously better.
| Spec | | |
|---|---|---|
| US price | $2,395 | $3,399 |
| Brand | CAIRE | Drive DeVilbiss Healthcare |
| Released | 2018-08 | — |
| Oxygen output (ml) | 1050 | 1014 |
| Flow settings | 1–5 | 1–5 |
| Weight (lb) | 5 | 5 |
| Battery life (hr) | 8 | 5 |
| Delivery mode | pulse_dose | pulse_dose |
| Noise (dB) | 39 | 41 |
| Faa approved | Yes | Yes |
| Warranty (yr) | 3 | 5 |
Sources — CAIRE FreeStyle Comfort: oxygenconcentratorstore.com (verified 2026-11-05). Drive DeVilbiss Healthcare DeVilbiss iGo2: oxygenconcentratorstore.com (verified 2026-11-05).
Where the two actually differ on the specs we track (4 of 8). Matching specs are omitted.