Chamber Comparison
Macy-Pan HP750vsSechrist Industries 3300H
Macy-Pan
HP750
2
ATA
$35K
Starting
1yr
Warranty
Sechrist Industries
3300H
3
ATA
$60K
Starting
1yr
Warranty
The Bottom Line
The Macy-Pan HP750 wins on price, while the Sechrist Industries 3300H takes the edge in max pressure, fda clearance, and clinical credibility. If max pressure matters most, the Sechrist Industries 3300H is the better choice.
Key Differences
Macy-Pan
2 ATA
Sechrist Industries
3 ATA
Higher pressure enables more clinical protocols. The Sechrist Industries 3300H reaches 3 ATA, which supports FDA-approved treatment protocols.
Macy-Pan
$35,000 - $45,000
Sechrist Industries
$60,000 - $100,000
A significant price gap of ~42%. Consider whether the higher-priced unit's additional features justify the investment for your use case.
Macy-Pan
Not FDA Cleared
Sechrist Industries
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.
Macy-Pan
4/10
Sechrist Industries
9/10
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
Sechrist Industries 3300H
Hospitals, wound care centers, clinical HBOT programs
View full details →Full Specification Comparison
| Specification | Macy-Pan HP750 | Sechrist Industries 3300H |
|---|---|---|
| Chamber Type | Hard-Shell Monoplace | Hard-Shell Monoplace |
| Performance Tier | Clinical Grade | Clinical Grade |
| Max Pressure | 2 ATA | 3 ATA★ |
| Oxygen Delivery | 100%-medical-grade | 100%-medical-grade |
| O₂ Concentration | 95-100% via mask/hood | 100% oxygen environment (entire chamber pressurized with O2) |
| Capacity | 1-person | 1-person |
| Weight | — | 2,500 lbs |
| Interior Dimensions | Seated position | 33in diameter |
| Portability | fixed-installation | fixed-installation |
| FDA Cleared | No | Yes (#K140559)★ |
| CE Marked | Yes | Yes |
| Made In | China | United States |
| Price | $35,000 - $45,000★ | $60,000 - $100,000 |
| Warranty | 1 year | 1 year |
| Clinical Score | 4/10 | 9/10★ |
| Brand Established | 2007 | 1973 |
| Climate Control | No | Yes★ |
| Communication System | Yes | Yes |
| Emergency Features | Emergency pressure release, intercom, safety interlocks | Dual emergency vent system (unique to Sechrist), fire suppression, safety interlocks |
Macy-Pan HP750 — Standout Features
Sechrist Industries 3300H — Standout Features
Interested in either chamber?
Request quotes from both manufacturers and compare real pricing.
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