Chamber Comparison
OxyHelp OxyLife I/90vsPerry Baromedical Sigma 40-II
OxyHelp
OxyLife I/90
1.5
ATA
$30K
Starting
2yr
Warranty
Perry Baromedical
Sigma 40-II
3
ATA
$100K
Starting
1yr
Warranty
The Bottom Line
The OxyHelp OxyLife I/90 wins on price, warranty, and weight, while the Perry Baromedical Sigma 40-II takes the edge in max pressure, fda clearance, and clinical credibility. If price is your priority, the OxyHelp OxyLife I/90 is the stronger pick.
Key Differences
OxyHelp
1.5 ATA
Perry Baromedical
3 ATA
Higher pressure enables more clinical protocols. The Perry Baromedical Sigma 40-II reaches 3 ATA, which supports FDA-approved treatment protocols.
OxyHelp
$30,000 - $42,000
Perry Baromedical
$100,000 - $160,000
A significant price gap of ~70%. Consider whether the higher-priced unit's additional features justify the investment for your use case.
OxyHelp
Not FDA Cleared
Perry Baromedical
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.
OxyHelp
7/10
Perry Baromedical
9/10
This score reflects published studies, certifications, and clinical adoption. Higher scores indicate stronger evidence backing the manufacturer's claims.
OxyHelp
2 years
Perry Baromedical
1 year
A longer warranty reduces long-term ownership risk, especially important for chambers in the $10K+ range.
Who Should Buy Which?
Best for
OxyHelp OxyLife I/90
Clinics, wellness centers, home clinical use, larger patients, premium experience seekers
View full details →Best for
Perry Baromedical Sigma 40-II
High-volume wound care centers, efficiency-focused clinical programs
View full details →Full Specification Comparison
| Specification | OxyHelp OxyLife I/90 | Perry Baromedical Sigma 40-II |
|---|---|---|
| Chamber Type | Hard-Shell Monoplace | Hard-Shell Multiplace |
| Performance Tier | Clinical Grade | Clinical Grade |
| Max Pressure | 1.5 ATA | 3 ATA★ |
| Oxygen Delivery | built-in concentrator | 100%-medical-grade |
| O₂ Concentration | Up to 95% via built-in concentrator | 100% via BIBS with Duke hoods |
| Capacity | 1-person | 2-person |
| Weight | 231 lbs★ | 3,000 lbs |
| Interior Dimensions | 90cm internal diameter; lying position | 40.5in diameter, dual-patient |
| Portability | semi-portable | fixed-installation |
| FDA Cleared | No | Yes (#Multiple 510(k)s)★ |
| CE Marked | Yes | Yes |
| Made In | Romania | United States |
| Price | $30,000 - $42,000★ | $100,000 - $160,000 |
| Warranty | 2 years★ | 1 year |
| Clinical Score | 7/10 | 9/10★ |
| Brand Established | 1994 | 1956 |
| Climate Control | Yes | Yes |
| Communication System | Yes | Yes |
| Emergency Features | Emergency release, safety interlocks, automatic pressure monitoring, ASME PVHO-1 certified vessel | Emergency depressurization, fire suppression, dual BIBS, multiple safety interlocks |
OxyHelp OxyLife I/90 — Standout Features
Perry Baromedical Sigma 40-II — Standout Features
Interested in either chamber?
Request quotes from both manufacturers and compare real pricing.
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