Chamber Comparison
O2Air Pro 90vsOrigin Oxygen Odyssey 2ATA
O2Air
Pro 90
2.5
ATA
—
Starting
2yr
Warranty
Origin Oxygen
Odyssey 2ATA
2
ATA
$47K
Starting
2yr
Warranty
The Bottom Line
The O2Air Pro 90 has clear advantages in max pressure and clinical credibility. However, both chambers sit in the Clinical Grade tier, so consider your specific requirements before deciding.
Key Differences
O2Air
2.5 ATA
Origin Oxygen
2 ATA
Higher pressure enables more clinical protocols. The O2Air Pro 90 reaches 2.5 ATA, which supports FDA-approved treatment protocols.
O2Air
5/10
Origin Oxygen
4/10
This score reflects published studies, certifications, and clinical adoption. Higher scores indicate stronger evidence backing the manufacturer's claims.
Who Should Buy Which?
Full Specification Comparison
| Specification | O2Air Pro 90 | Origin Oxygen Odyssey 2ATA |
|---|---|---|
| Chamber Type | Hard-Shell Monoplace | Hard-Shell Monoplace |
| Performance Tier | Clinical Grade | Clinical Grade |
| Max Pressure | 2.5 ATA★ | 2 ATA |
| Oxygen Delivery | mask/cannula | mask/cannula |
| O₂ Concentration | Up to 95% | >=95% |
| Capacity | 1-person | 1-person |
| Weight | — | 1,433 lbs |
| Interior Dimensions | — | 185 × 152 × 88 cm interior |
| Portability | fixed-installation | fixed-installation |
| FDA Cleared | No | No |
| CE Marked | Yes | Yes |
| Made In | Austria | United Kingdom |
| Price | Contact manufacturer | £38,000–£46,000 ex VAT |
| Warranty | 2 years | 2 years |
| Clinical Score | 5/10★ | 4/10 |
| Climate Control | No | Yes★ |
| Communication System | No | No |
O2Air Pro 90 — Standout Features
Origin Oxygen Odyssey 2ATA — Standout Features
Interested in either chamber?
Request quotes from both manufacturers and compare real pricing.
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