Chamber Comparison
Origin Oxygen Odyssey 2ATAvsSechrist Industries 4100H
Origin Oxygen
Odyssey 2ATA
2
ATA
$47K
Starting
2yr
Warranty
Sechrist Industries
4100H
3
ATA
$90K
Starting
1yr
Warranty
The Bottom Line
The Origin Oxygen Odyssey 2ATA wins on price, warranty, and weight, while the Sechrist Industries 4100H takes the edge in max pressure, fda clearance, and clinical credibility. If price is your priority, the Origin Oxygen Odyssey 2ATA is the stronger pick.
Key Differences
Origin Oxygen
2 ATA
Sechrist Industries
3 ATA
Higher pressure enables more clinical protocols. The Sechrist Industries 4100H reaches 3 ATA, which supports FDA-approved treatment protocols.
Origin Oxygen
£38,000–£46,000 ex VAT
Sechrist Industries
$90,000 - $140,000
A significant price gap of ~48%. Consider whether the higher-priced unit's additional features justify the investment for your use case.
Origin Oxygen
Not FDA Cleared
Sechrist Industries
FDA Cleared
FDA clearance matters if you need insurance reimbursement, plan to operate a clinical facility, or want the highest safety assurance. For home wellness use, it's less critical.
Origin Oxygen
4/10
Sechrist Industries
9/10
This score reflects published studies, certifications, and clinical adoption. Higher scores indicate stronger evidence backing the manufacturer's claims.
Origin Oxygen
2 years
Sechrist Industries
1 year
A longer warranty reduces long-term ownership risk, especially important for chambers in the $10K+ range.
Who Should Buy Which?
Best for
Sechrist Industries 4100H
Bariatric patients, claustrophobic patients, maximum comfort clinical programs
View full details →Full Specification Comparison
| Specification | Origin Oxygen Odyssey 2ATA | Sechrist Industries 4100H |
|---|---|---|
| Chamber Type | Hard-Shell Monoplace | Hard-Shell Monoplace |
| Performance Tier | Clinical Grade | Clinical Grade |
| Max Pressure | 2 ATA | 3 ATA★ |
| Oxygen Delivery | mask/cannula | 100%-medical-grade |
| O₂ Concentration | >=95% | 100% oxygen environment (entire chamber pressurized with O2) |
| Capacity | 1-person | 1-person |
| Weight | 1,433 lbs★ | 3,000 lbs |
| Interior Dimensions | 185 × 152 × 88 cm interior | 41in diameter (world's largest monoplace alongside Perry Sigma 40) |
| Portability | fixed-installation | fixed-installation |
| FDA Cleared | No | Yes (#K140559)★ |
| CE Marked | Yes | Yes |
| Made In | United Kingdom | United States |
| Price | £38,000–£46,000 ex VAT | $90,000 - $140,000★ |
| Warranty | 2 years★ | 1 year |
| Clinical Score | 4/10 | 9/10★ |
| Brand Established | — | 1973 |
| Climate Control | Yes | Yes |
| Communication System | No | Yes★ |
| Emergency Features | — | Dual emergency vent system, fire suppression, safety interlocks |
Origin Oxygen Odyssey 2ATA — Standout Features
Sechrist Industries 4100H — Standout Features
Interested in either chamber?
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