R2-O2

Respirators for filtering air for medical purposes; Medical apparatus for diagnosing or treating respiratory conditions; Medical apparatus for diagnosing or treating respiratory conditions, namely, respiratory related diseases; Medical apparatus for diagnosing or treating respiratory conditions, namely, COPD; Medical apparatus for diagnosing or treating respiratory conditions, namely, respiratory diseases; Medical apparatus for use in treating the condition of insufficient O2 supply; Medical apparatus for use in treating respiratory diseases and related symptoms; Medical ventilators; Oxygen concentrators for medical applications; Oxygen concentrators for medical purposes