Chamber Comparison
O2Seven O2SevenvsOrigin Oxygen Odyssey 2ATA
O2Seven
O2Seven
1.5
ATA
—
Starting
—
Warranty
Origin Oxygen
Odyssey 2ATA
2
ATA
$47K
Starting
2yr
Warranty
The Bottom Line
The Origin Oxygen Odyssey 2ATA 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
O2Seven
1.5 ATA
Origin Oxygen
2 ATA
Higher pressure enables more clinical protocols. The Origin Oxygen Odyssey 2ATA reaches 2 ATA, which supports FDA-approved treatment protocols.
O2Seven
3/10
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 | O2Seven O2Seven | Origin Oxygen Odyssey 2ATA |
|---|---|---|
| Chamber Type | Hard-Shell Monoplace | Hard-Shell Monoplace |
| Performance Tier | Clinical Grade | Clinical Grade |
| Max Pressure | 1.5 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 | No | Yes★ |
| Made In | Japan | United Kingdom |
| Price | Contact manufacturer | £38,000–£46,000 ex VAT |
| Warranty | — | 2 years |
| Clinical Score | 3/10 | 4/10★ |
| Climate Control | No | Yes★ |
| Communication System | No | No |
O2Seven O2Seven — 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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