Respiratory masks for medical purposes; Respiratory monitors for sports activities; Filters for respiratory masks for medical purposes; Medical apparatus and instruments for monitoring blood oxygen saturation, blood gas concentrations, vital signs and respiratory events; Medical apparatus and instruments for monitoring blood oxygen saturation, blood gas concentrations, vital signs and respiratory events, and downloadable software for recording, processing and transmitting medical data, for use therewith, sold as a unit; Medical apparatus and instruments for monitoring blood oxygen saturation, blood gas concentrations, vital signs and respiratory events, and recorded software for recording, processing and transmitting medical data, for use therewith, sold as a unit; Medical apparatus and instruments for monitoring blood properties and respiratory events; Medical apparatus and instruments for monitoring vital signs, blood properties and respiratory events; Medical apparatus for diagnosing or treating respiratory conditions; Medical apparatus for the treatment of respiratory conditions; Medical apparatus, namely, respiratory equipment and monitors therefor; Medical apparatus, namely, electric vaporizer for upper respiratory conditions; Medical apparatus, namely, electric vaporizer that emits menthol for treatment of upper respiratory conditions; Medical devices for monitoring blood oxygen saturation, blood gas concentrations, vital signs and respiratory events; Medical devices for monitoring blood oxygen saturation, blood gas concentrations, vital signs and respiratory events, and downloadable software for recording, processing and transmitting medical data, for use therewith, sold as a unit; Medical devices for monitoring blood oxygen saturation, blood gas concentrations, vital signs and respiratory events, and recorded software for recording, processing and transmitting medical data, for use therewith, sold as a unit; Medical devices for monitoring blood properties and respiratory events; Medical devices for monitoring vital signs, blood properties and respiratory events; Medical devices, namely, patient monitors and patient sensors for monitoring and measuring blood properties and respiratory events; Medical products, namely, respiratory sensors; Portable medical devices used for breathing exercises, namely, portable devices used for endogenous breathing exercises and for respiratory muscle training; Sterile disposable oxygen humidifiers and nebulizers for respiratory therapy sold pre-filled with water