Chamber Comparison

OxyHealth Fortius 420vsSechrist Industries 4100H

OxyHealth

Fortius 420

Clinical GradeFDA Cleared

3

ATA

$82K

Starting

5yr

Warranty

Sechrist Industries

4100H

Clinical GradeFDA Cleared

3

ATA

$90K

Starting

1yr

Warranty

The Bottom Line

The OxyHealth Fortius 420 wins on price, warranty, and weight, while the Sechrist Industries 4100H takes the edge in clinical credibility. If price is your priority, the OxyHealth Fortius 420 is the stronger pick.

Key Differences

PriceOxyHealth Fortius 420

OxyHealth

$82,000 - $150,000

Sechrist Industries

$90,000 - $140,000

A ~9% price difference. At this range, the decision likely comes down to features and certifications rather than cost alone.

Clinical CredibilitySechrist Industries 4100H

OxyHealth

7/10

Sechrist Industries

9/10

This score reflects published studies, certifications, and clinical adoption. Higher scores indicate stronger evidence backing the manufacturer's claims.

WarrantyOxyHealth Fortius 420

OxyHealth

5 years

Sechrist Industries

1 year

A longer warranty reduces long-term ownership risk, especially important for chambers in the $10K+ range.

WeightOxyHealth Fortius 420

OxyHealth

1,100 lbs

Sechrist Industries

3,000 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

OxyHealth Fortius 420

Clinical HBOT centers, high-performance athletic facilities, medical research, advanced protocols

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Best for

Sechrist Industries 4100H

Bariatric patients, claustrophobic patients, maximum comfort clinical programs

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Full Specification Comparison

SpecificationOxyHealth Fortius 420Sechrist Industries 4100H
Chamber TypeHard-Shell MonoplaceHard-Shell Monoplace
Performance TierClinical GradeClinical Grade
Max Pressure3 ATA3 ATA
Oxygen Delivery100%-medical-grade100%-medical-grade
O₂ Concentration95-100% via hood assembly100% oxygen environment (entire chamber pressurized with O2)
Capacity2-person1-person
Weight1,100 lbs3,000 lbs
Interior Dimensions64-96in L x 42in dia (modular 2 or 3 piece)41in diameter (world's largest monoplace alongside Perry Sigma 40)
Portabilityfixed-installationfixed-installation
FDA ClearedYes (#K041007)Yes (#K140559)
CE MarkedNoYes
Made InUnited StatesUnited States
Price$82,000 - $150,000$90,000 - $140,000
Warranty5 years1 year
Clinical Score7/109/10
Brand Established19961973
Climate ControlNoYes
Communication SystemYesYes
Emergency FeaturesMirrored controls inside/out, emergency protocols, safety redundancyDual emergency vent system, fire suppression, safety interlocks

OxyHealth Fortius 420 — Standout Features

Only hard-shell in OxyHealth lineup3.0 ATA max100% O2modular constructionmirrored controls42in diameter

Sechrist Industries 4100H — Standout Features

41in diameter (world's largest)dual emergency ventmaximum patient comfort

Interested in either chamber?

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