Chamber Comparison
Newtowne C4-34vsSummit to Sea Grand Vertical
Newtowne
C4-34
1.3
ATA
$6K
Starting
2yr
Warranty
Summit to Sea
Grand Vertical
1.3
ATA
$18K
Starting
2yr
Warranty
The Bottom Line
The Newtowne C4-34 has clear advantages in price and clinical credibility. However, both chambers sit in the Advanced Wellness tier, so consider your specific requirements before deciding.
Key Differences
Newtowne
$6,495 - $7,995
Summit to Sea
$17,995 - $20,195
A significant price gap of ~64%. Consider whether the higher-priced unit's additional features justify the investment for your use case.
Newtowne
5/10
Summit to Sea
4/10
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
Newtowne C4-34
Home use, couples/family use, growing practices, comfort-seekers
View full details →Full Specification Comparison
| Specification | Newtowne C4-34 | Summit to Sea Grand Vertical |
|---|---|---|
| Chamber Type | Soft-Shell | Soft-Shell |
| Performance Tier | Advanced Wellness | Advanced Wellness |
| Max Pressure | 1.3 ATA | 1.3 ATA |
| Oxygen Delivery | ambient-air | ambient-air |
| O₂ Concentration | 21% (ambient) | 21% (ambient); optional concentrator |
| Capacity | 2-person | 2-person |
| Weight | 100 lbs | — |
| Interior Dimensions | 34in diameter x 88in length | 54in diameter |
| Portability | semi-portable | semi-portable |
| FDA Cleared | Yes (#K051759) | Yes (#K072757) |
| CE Marked | No | No |
| Made In | United States | United States |
| Price | $6,495 - $7,995★ | $17,995 - $20,195 |
| Warranty | 2 years | 2 years |
| Clinical Score | 5/10★ | 4/10 |
| Brand Established | 2001 | 2007 |
| Climate Control | No | No |
| Communication System | No | No |
| Emergency Features | Dual zipper safety, pressure relief valve, interior/exterior controls | Dual zipper safety system, pressure relief valve |
Newtowne C4-34 — Standout Features
Summit to Sea Grand Vertical — Standout Features
Interested in either chamber?
Request quotes from both manufacturers and compare real pricing.
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