Chamber Comparison
OxyHealth Fortius 420vsPerry Baromedical Sigma 34
OxyHealth
Fortius 420
3
ATA
$82K
Starting
5yr
Warranty
Perry Baromedical
Sigma 34
3
ATA
$50K
Starting
1yr
Warranty
The Bottom Line
The OxyHealth Fortius 420 wins on warranty and weight, while the Perry Baromedical Sigma 34 takes the edge in price and clinical credibility. If warranty is your priority, the OxyHealth Fortius 420 is the stronger pick.
Key Differences
OxyHealth
$82,000 - $150,000
Perry Baromedical
$50,000 - $90,000
A significant price gap of ~39%. Consider whether the higher-priced unit's additional features justify the investment for your use case.
OxyHealth
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.
OxyHealth
5 years
Perry Baromedical
1 year
A longer warranty reduces long-term ownership risk, especially important for chambers in the $10K+ range.
OxyHealth
1,100 lbs
Perry Baromedical
2,200 lbs
Weight matters for portability and installation. Lighter chambers are easier to move between rooms or take to a second location.
Who Should Buy Which?
Best for
OxyHealth Fortius 420
Clinical HBOT centers, high-performance athletic facilities, medical research, advanced protocols
View full details →Best for
Perry Baromedical Sigma 34
Hospitals, wound care centers, clinical HBOT programs
View full details →Full Specification Comparison
| Specification | OxyHealth Fortius 420 | Perry Baromedical Sigma 34 |
|---|---|---|
| Chamber Type | Hard-Shell Monoplace | Hard-Shell Monoplace |
| Performance Tier | Clinical Grade | Clinical Grade |
| Max Pressure | 3 ATA | 3 ATA |
| Oxygen Delivery | 100%-medical-grade | 100%-medical-grade |
| O₂ Concentration | 95-100% via hood assembly | 100% via BIBS with Duke hoods |
| Capacity | 2-person | 1-person |
| Weight | 1,100 lbs★ | 2,200 lbs |
| Interior Dimensions | 64-96in L x 42in dia (modular 2 or 3 piece) | 33.5in diameter |
| Portability | fixed-installation | fixed-installation |
| FDA Cleared | Yes (#K041007) | Yes (#Multiple 510(k)s) |
| CE Marked | No | Yes★ |
| Made In | United States | United States |
| Price | $82,000 - $150,000 | $50,000 - $90,000★ |
| Warranty | 5 years★ | 1 year |
| Clinical Score | 7/10 | 9/10★ |
| Brand Established | 1996 | 1956 |
| Climate Control | No | Yes★ |
| Communication System | Yes | Yes |
| Emergency Features | Mirrored controls inside/out, emergency protocols, safety redundancy | Emergency depressurization, fire suppression, BIBS system, multiple safety interlocks |
OxyHealth Fortius 420 — Standout Features
Perry Baromedical Sigma 34 — Standout Features
Interested in either chamber?
Request quotes from both manufacturers and compare real pricing.
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