HYPERBARIC CARE USA mild Hyperbaric Chambers Are a Class II Medical Device and Is Cleared By The FDA For Acute Mountain Sickness Only, All other uses are considered “off label”. Seller makes no express or implied warranty with respect to any health benefits alleged to be derived from the use and operation of a hyperbaric chamber and We Do Not Claim That The Hyperbaric Oxygen Chambers Are Intended To Diagnose, Treat, Cure, or Prevent Any Disease.