The Oxygen Gas Delivery System provides supplemental oxygen and prescribed flow rates to patients in multiple healthcare settings, i.e. hospitals; air ambulances, etc. It is designed to be installed into a gaseous oxygen supply system with an inlet pressure of 50 psi. The Oxygen Gas Delivery System will provide controlled flow rates of 0.25 to 25 LPM. Multiple Outlet Fitting options are available based on operator preference and market or regional connection standards.