Chamber Comparison
OxyHelp OxyLife I/90vsPerry Baromedical Sigma 40
OxyHelp
OxyLife I/90
1.5
ATA
$30K
Starting
2yr
Warranty
Perry Baromedical
Sigma 40
3
ATA
$65K
Starting
1yr
Warranty
The Bottom Line
The OxyHelp OxyLife I/90 wins on price, warranty, and weight, while the Perry Baromedical Sigma 40 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 reaches 3 ATA, which supports FDA-approved treatment protocols.
OxyHelp
$30,000 - $42,000
Perry Baromedical
$65,000 - $110,000
A significant price gap of ~54%. 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
Bariatric patients, claustrophobic patients, maximum comfort, flagship clinical programs
View full details →Full Specification Comparison
| Specification | OxyHelp OxyLife I/90 | Perry Baromedical Sigma 40 |
|---|---|---|
| Chamber Type | Hard-Shell Monoplace | Hard-Shell Monoplace |
| 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 | 1-person |
| Weight | 231 lbs★ | 2,850 lbs |
| Interior Dimensions | 90cm internal diameter; lying position | 40.5in diameter (largest monoplace available) |
| 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★ | $65,000 - $110,000 |
| 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, BIBS system, multiple safety interlocks |
OxyHelp OxyLife I/90 — Standout Features
Perry Baromedical Sigma 40 — Standout Features
Interested in either chamber?
Request quotes from both manufacturers and compare real pricing.
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