OxyHealth Fortius 420vsRejuvelab Duo Premium

Higher pressure enables more clinical protocols. The OxyHealth Fortius 420 reaches 3 ATA, which supports FDA-approved treatment protocols.

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.

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

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

Hard-shell chambers generally offer higher pressures and more clinical features, while soft-shell chambers are more portable and affordable.