Chamber Comparison
AHA AHA Flex 18 V2vsNewtowne C4-34
AHA
AHA Flex 18 V2
1.8
ATA
$16K
Starting
2yr
Warranty
Newtowne
C4-34
1.3
ATA
$6K
Starting
2yr
Warranty
The Bottom Line
The AHA AHA Flex 18 V2 wins on max pressure, while the Newtowne C4-34 takes the edge in price and fda clearance. If price matters most, the Newtowne C4-34 is the better choice.
Key Differences
AHA
1.8 ATA
Newtowne
1.3 ATA
Higher pressure enables more clinical protocols. The AHA AHA Flex 18 V2 reaches 1.8 ATA, which covers most wellness applications.
AHA
$16,000 - $22,000 (estimated)
Newtowne
$6,495 - $7,995
A significant price gap of ~59%. Consider whether the higher-priced unit's additional features justify the investment for your use case.
AHA
Not FDA Cleared
Newtowne
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.
Who Should Buy Which?
Best for
AHA AHA Flex 18 V2
Medical practitioners, wellness clinics, international markets
View full details →Best for
Newtowne C4-34
Home use, couples/family use, growing practices, comfort-seekers
View full details →Full Specification Comparison
| Specification | AHA AHA Flex 18 V2 | Newtowne C4-34 |
|---|---|---|
| Chamber Type | Soft-Shell | Soft-Shell |
| Performance Tier | Advanced Wellness | Advanced Wellness |
| Max Pressure | 1.8 ATA★ | 1.3 ATA |
| Oxygen Delivery | ambient-air | ambient-air |
| O₂ Concentration | 21% (ambient); O2 concentrator optional | 21% (ambient) |
| Capacity | 1-person | 2-person |
| Weight | 88 lbs★ | 100 lbs |
| Interior Dimensions | 85cm diameter x 250cm length | 34in diameter x 88in length |
| Portability | portable | semi-portable |
| FDA Cleared | No | Yes (#K051759)★ |
| CE Marked | Yes★ | No |
| Made In | Austria/Slovenia | United States |
| Price | $16,000 - $22,000 (estimated) | $6,495 - $7,995★ |
| Warranty | 2 years | 2 years |
| Clinical Score | 5/10 | 5/10 |
| Brand Established | 2006 | 2001 |
| Climate Control | No | No |
| Communication System | No | No |
| Emergency Features | Safety valves, internal pressure relief | Dual zipper safety, pressure relief valve, interior/exterior controls |
AHA AHA Flex 18 V2 — Standout Features
Newtowne C4-34 — Standout Features
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