Chamber Comparison
OxyHealth Fortius 420vsPerry Baromedical Sigma 40-II
OxyHealth
Fortius 420
3
ATA
$82K
Starting
5yr
Warranty
Perry Baromedical
Sigma 40-II
3
ATA
$100K
Starting
1yr
Warranty
The Bottom Line
The OxyHealth Fortius 420 wins on price, warranty, and weight, while the Perry Baromedical Sigma 40-II takes the edge in clinical credibility. If price is your priority, the OxyHealth Fortius 420 is the stronger pick.
Key Differences
OxyHealth
$82,000 - $150,000
Perry Baromedical
$100,000 - $160,000
A ~18% price difference. At this range, the decision likely comes down to features and certifications rather than cost alone.
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
hard-shell monoplace
Perry Baromedical
hard-shell multiplace
Hard-shell chambers generally offer higher pressures and more clinical features, while soft-shell chambers are more portable and affordable.
OxyHealth
1,100 lbs
Perry Baromedical
3,000 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 40-II
High-volume wound care centers, efficiency-focused clinical programs
View full details →Full Specification Comparison
| Specification | OxyHealth Fortius 420 | Perry Baromedical Sigma 40-II |
|---|---|---|
| Chamber Type | Hard-Shell Monoplace | Hard-Shell Multiplace |
| 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 | 2-person |
| Weight | 1,100 lbs★ | 3,000 lbs |
| Interior Dimensions | 64-96in L x 42in dia (modular 2 or 3 piece) | 40.5in diameter, dual-patient |
| 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★ | $100,000 - $160,000 |
| 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, dual BIBS, multiple safety interlocks |
OxyHealth Fortius 420 — 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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