Medical apparatus, namely, respiratory apparatus and instruments; medical apparatus in the nature of ventilation and non-invasive ventilation apparatus and instruments; medical apparatus and instruments delivering medical gases and humidification therapy to treat respiratory diseases and conditions; humidification apparatus for medical purposes, namely, humidifiers; medical apparatus and equipment for the treatment of respiratory diseases and conditions; medical apparatus in the nature of breathing tubes used in the delivery of air and gases to and away from patients; water chambers, namely, fluid containers for medical use; sterile containers for holding liquids specifically for medical purposes; filters for medical purposes; air filters for use as parts of medical apparatus; medical apparatus in the nature of stands specially adapted for mounting medical ventilators, humidifiers and water bags; water bags for medical purposes, namely, bags for the delivery of water, saline and other liquids; disinfection kits, namely, apparatus for sterilizing and disinfecting medical goods comprising a disinfection tube, a filter and a manual; parts and fittings for all the aforementioned goods