Chamber Comparison

Origin Oxygen Oasis 2ATAvsOxygen Ark 901

Origin Oxygen

Oasis 2ATA

Clinical Grade

2

ATA

$40K

Starting

2yr

Warranty

Oxygen Ark

901

Clinical Grade

1.5

ATA

$18K

Starting

1yr

Warranty

The Bottom Line

The Origin Oxygen Oasis 2ATA wins on max pressure, clinical credibility, and warranty, while the Oxygen Ark 901 takes the edge in price. If max pressure is your priority, the Origin Oxygen Oasis 2ATA is the stronger pick.

Key Differences

Max PressureOrigin Oxygen Oasis 2ATA

Origin Oxygen

2 ATA

Oxygen Ark

1.5 ATA

Higher pressure enables more clinical protocols. The Origin Oxygen Oasis 2ATA reaches 2 ATA, which supports FDA-approved treatment protocols.

PriceOxygen Ark 901

Origin Oxygen

£33,000 ex VAT (~$41,000 USD)

Oxygen Ark

$18,000 - $28,000 (estimated)

A significant price gap of ~55%. Consider whether the higher-priced unit's additional features justify the investment for your use case.

Clinical CredibilityOrigin Oxygen Oasis 2ATA

Origin Oxygen

4/10

Oxygen Ark

3/10

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

WarrantyOrigin Oxygen Oasis 2ATA

Origin Oxygen

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?

Best for

Origin Oxygen Oasis 2ATA

UK market, European buyers

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Best for

Oxygen Ark 901

Budget clinics needing more space

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Full Specification Comparison

SpecificationOrigin Oxygen Oasis 2ATAOxygen Ark 901
Chamber TypeHard-Shell MonoplaceHard-Shell Monoplace
Performance TierClinical GradeClinical Grade
Max Pressure2 ATA1.5 ATA
Oxygen Deliverymask/cannulamask/cannula
O₂ ConcentrationUp to 95%
Capacity1-person1-person
Weight187 lbs
Portabilityfixed-installationfixed-installation
FDA ClearedNoNo
CE MarkedNoYes
Made InUnited KingdomChina
Price£33,000 ex VAT (~$41,000 USD)$18,000 - $28,000 (estimated)
Warranty2 years1 year
Clinical Score4/103/10
Climate ControlNoNo
Communication SystemNoNo

Origin Oxygen Oasis 2ATA — Standout Features

UK manufactured2.0 ATAUK compliant

Oxygen Ark 901 — Standout Features

Larger hard-shellbudget pricing

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