Chamber Comparison
Newtowne C4-27vsOxygen Ark 501


Newtowne
C4-27
1.3
ATA
$4,495 - $5,495
Starting
2yr
Warranty


Oxygen Ark
501
1.3
ATA
$4,000 - $6,000 (estimated)
Starting
1yr
Warranty
The Bottom Line
The Newtowne C4-27 wins on fda clearance and warranty, while the Oxygen Ark 501 takes the edge in price. If fda clearance is your priority, the Newtowne C4-27 is the stronger pick.
Key Differences
Newtowne
$4,495 - $5,495
Oxygen Ark
$4,000 - $6,000 (estimated)
A ~11% price difference. At this range, the decision likely comes down to features and certifications rather than cost alone.
Newtowne
FDA cleared: yes
Oxygen Ark
FDA no
The listing's fda_cleared field. This page does not add a purchase rule.
Newtowne
2 years
Oxygen Ark
1 year
A longer warranty reduces long-term ownership risk, especially important for chambers in the $10K+ range.
Who Should Buy Which?
Full Specification Comparison
| Specification | ![]() ![]() | ![]() ![]() |
|---|---|---|
| Chamber Type | Soft-Shell | Soft-Shell |
| Performance Tier | Entry Wellness | Entry Wellness |
| Max Pressure | 1.3 ATA | 1.3 ATA |
| Oxygen Delivery | ambient-air | ambient-air |
| O₂ Concentration | 21% (ambient) | 88±3% (via built-in O2 concentrator) |
| Capacity | 1-person | 1-person |
| Weight | 75 lbs | — |
| Interior Dimensions | 27in diameter x 80in length | — |
| Portability | portable | portable |
| FDA Cleared | Yes (#K051759)★ | No |
| CE Marked | No | Yes★ |
| Made In | United States | China |
| Price | $4,495 - $5,495 | $4,000 - $6,000 (estimated)★ |
| Warranty | 2 years★ | 1 year |
| Brand Established | 2001 | — |
| Climate Control | No | No |
| Communication System | No | No |
| Emergency Features | Dual zipper safety, pressure relief valve, interior/exterior controls | — |
Newtowne C4-27 — Standout Features
Oxygen Ark 501 — Standout Features
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