Chamber Comparison
Perry Baromedical Sigma 34vsRejuvelab Duo Premium
Perry Baromedical
Sigma 34
3
ATA
$50K
Starting
1yr
Warranty
Rejuvelab
Duo Premium
1.5
ATA
—
Starting
1yr
Warranty
The Bottom Line
The Perry Baromedical Sigma 34 has clear advantages in max pressure, fda clearance, and clinical credibility. However, both chambers sit in the Clinical Grade tier, so consider your specific requirements before deciding.
Key Differences
Perry Baromedical
3 ATA
Rejuvelab
1.5 ATA
Higher pressure enables more clinical protocols. The Perry Baromedical Sigma 34 reaches 3 ATA, which supports FDA-approved treatment protocols.
Perry Baromedical
FDA Cleared
Rejuvelab
Not 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.
Perry Baromedical
9/10
Rejuvelab
3/10
This score reflects published studies, certifications, and clinical adoption. Higher scores indicate stronger evidence backing the manufacturer's claims.
Perry Baromedical
hard-shell monoplace
Rejuvelab
hard-shell multiplace
Hard-shell chambers generally offer higher pressures and more clinical features, while soft-shell chambers are more portable and affordable.
Who Should Buy Which?
Best for
Perry Baromedical Sigma 34
Hospitals, wound care centers, clinical HBOT programs
View full details →Full Specification Comparison
| Specification | Perry Baromedical Sigma 34 | Rejuvelab Duo Premium |
|---|---|---|
| Chamber Type | Hard-Shell Monoplace | Hard-Shell Multiplace |
| Performance Tier | Clinical Grade | Clinical Grade |
| Max Pressure | 3 ATA★ | 1.5 ATA |
| Oxygen Delivery | 100%-medical-grade | mask/cannula |
| O₂ Concentration | 100% via BIBS with Duke hoods | Up to 95% |
| Capacity | 1-person | 2-person |
| Weight | 2,200 lbs | — |
| Interior Dimensions | 33.5in diameter | — |
| Portability | fixed-installation | fixed-installation |
| FDA Cleared | Yes (#Multiple 510(k)s)★ | No |
| CE Marked | Yes★ | No |
| Made In | United States | China |
| Price | $50,000 - $90,000 | Contact manufacturer |
| Warranty | 1 year | 1 year |
| Clinical Score | 9/10★ | 3/10 |
| Brand Established | 1956 | — |
| Climate Control | Yes★ | No |
| Communication System | Yes★ | No |
| Emergency Features | Emergency depressurization, fire suppression, BIBS system, multiple safety interlocks | — |
Perry Baromedical Sigma 34 — Standout Features
Rejuvelab Duo Premium — Standout Features
Interested in either chamber?
Request quotes from both manufacturers and compare real pricing.
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