Chamber Comparison
Perry Baromedical Sigma 40-IIvsRejuvelab Duo Premium
Perry Baromedical
Sigma 40-II
3
ATA
$100K
Starting
1yr
Warranty
Rejuvelab
Duo Premium
1.5
ATA
—
Starting
1yr
Warranty
The Bottom Line
The Perry Baromedical Sigma 40-II 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 40-II 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.
Who Should Buy Which?
Best for
Perry Baromedical Sigma 40-II
High-volume wound care centers, efficiency-focused clinical programs
View full details →Full Specification Comparison
| Specification | Perry Baromedical Sigma 40-II | Rejuvelab Duo Premium |
|---|---|---|
| Chamber Type | Hard-Shell Multiplace | 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 | 2-person | 2-person |
| Weight | 3,000 lbs | — |
| Interior Dimensions | 40.5in diameter, dual-patient | — |
| Portability | fixed-installation | fixed-installation |
| FDA Cleared | Yes (#Multiple 510(k)s)★ | No |
| CE Marked | Yes★ | No |
| Made In | United States | China |
| Price | $100,000 - $160,000 | 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, dual BIBS, multiple safety interlocks | — |
Perry Baromedical Sigma 40-II — Standout Features
Rejuvelab Duo Premium — Standout Features
Interested in either chamber?
Request quotes from both manufacturers and compare real pricing.
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