Chamber Comparison

Henshaw XL ProvsSechrist Industries 3300H

Henshaw

XL Pro

Clinical Grade

2

ATA

$60K

Starting

3yr

Warranty

Sechrist Industries

3300H

Clinical GradeFDA Cleared

3

ATA

$60K

Starting

1yr

Warranty

The Bottom Line

The Henshaw XL Pro wins on warranty, 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

Max PressureSechrist Industries 3300H

Henshaw

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.

FDA ClearanceSechrist Industries 3300H

Henshaw

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.

Clinical CredibilitySechrist Industries 3300H

Henshaw

5/10

Sechrist Industries

9/10

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

WarrantyHenshaw XL Pro

Henshaw

3 years

Sechrist Industries

1 year

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

Who Should Buy Which?

Best for

Henshaw XL Pro

Premium clinics, larger patients, comfort-focused medical facilities

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Best for

Sechrist Industries 3300H

Hospitals, wound care centers, clinical HBOT programs

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Full Specification Comparison

SpecificationHenshaw XL ProSechrist Industries 3300H
Chamber TypeHard-Shell MonoplaceHard-Shell Monoplace
Performance TierClinical GradeClinical Grade
Max Pressure2 ATA3 ATA
Oxygen Deliveryambient-air100%-medical-grade
O₂ Concentration21% (ambient); optional O2 concentrator available100% oxygen environment (entire chamber pressurized with O2)
Capacity1-person1-person
Weight2,500 lbs
Interior DimensionsExtra-large single-person hard-shell33in diameter
Portabilitystationaryfixed-installation
FDA ClearedNoYes (#K140559)
CE MarkedYesYes
Made InUnited KingdomUnited States
Price£50,000 - £75,000 (~$60,000 - $90,000)$60,000 - $100,000
Warranty3 years1 year
Clinical Score5/109/10
Brand Established20081973
Climate ControlYesYes
Communication SystemYesYes
Emergency FeaturesEmergency depressurization, safety interlocks, fire suppression considerationsDual emergency vent system (unique to Sechrist), fire suppression, safety interlocks

Henshaw XL Pro — Standout Features

Extra-large hard-shellmaximum comfort2.0 ATApremium buildUK made

Sechrist Industries 3300H — Standout Features

Dual emergency vent (unique)2800+ US installationsUHMS Diamond Levelworld's leading monoplace maker

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