Chamber Comparison
AHA AHA Flex 20 V2vsOxyHealth Fortius 420
AHA
AHA Flex 20 V2
2
ATA
$20K
Starting
2yr
Warranty
OxyHealth
Fortius 420
3
ATA
$82K
Starting
5yr
Warranty
The Bottom Line
The AHA AHA Flex 20 V2 wins on price and weight, while the OxyHealth Fortius 420 takes the edge in max pressure and warranty. If price is your priority, the AHA AHA Flex 20 V2 is the stronger pick.
Key Differences
AHA
2 ATA
OxyHealth
3 ATA
Higher pressure enables more clinical protocols. The OxyHealth Fortius 420 reaches 3 ATA, which supports FDA-approved treatment protocols.
AHA
$20,000 - $28,000 (estimated)
OxyHealth
$82,000 - $150,000
A significant price gap of ~76%. Consider whether the higher-priced unit's additional features justify the investment for your use case.
AHA
2 years
OxyHealth
5 years
A longer warranty reduces long-term ownership risk, especially important for chambers in the $10K+ range.
AHA
soft-shell
OxyHealth
hard-shell monoplace
Hard-shell chambers generally offer higher pressures and more clinical features, while soft-shell chambers are more portable and affordable.
AHA
88 lbs
OxyHealth
1,100 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
AHA AHA Flex 20 V2
US market clinics, FDA-compliance-focused buyers, medical practitioners
View full details →Best for
OxyHealth Fortius 420
Clinical HBOT centers, high-performance athletic facilities, medical research, advanced protocols
View full details →Full Specification Comparison
| Specification | AHA AHA Flex 20 V2 | OxyHealth Fortius 420 |
|---|---|---|
| Chamber Type | Soft-Shell | Hard-Shell Monoplace |
| Performance Tier | Clinical Grade | Clinical Grade |
| Max Pressure | 2 ATA | 3 ATA★ |
| Oxygen Delivery | mask/cannula | 100%-medical-grade |
| O₂ Concentration | Up to 95% via concentrator | 95-100% via hood assembly |
| Capacity | 1-person | 2-person |
| Weight | 88 lbs★ | 1,100 lbs |
| Interior Dimensions | 85cm diameter x 250cm length | 64-96in L x 42in dia (modular 2 or 3 piece) |
| Portability | portable | fixed-installation |
| FDA Cleared | Yes (#K101262) | Yes (#K041007) |
| CE Marked | Yes★ | No |
| Made In | Austria/Slovenia | United States |
| Price | $20,000 - $28,000 (estimated)★ | $82,000 - $150,000 |
| Warranty | 2 years | 5 years★ |
| Clinical Score | 7/10 | 7/10 |
| Brand Established | 2006 | 1996 |
| Climate Control | No | No |
| Communication System | No | Yes★ |
| Emergency Features | Safety valves, internal pressure relief | Mirrored controls inside/out, emergency protocols, safety redundancy |
AHA AHA Flex 20 V2 — Standout Features
OxyHealth Fortius 420 — Standout Features
Interested in either chamber?
Request quotes from both manufacturers and compare real pricing.
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