The Gentec 7100R & 7200R Oxygen Humidifiers are developed to efficiently help in the humidification of the oxygen administered to the patient through respiratory tubes. The reusable humidifiers are designed with polycarbonate bottles for maximum durabiliy and service life. They come in two capacities, the 300ml and 140ml. Furthermore, the Model 7200R is high temperature (134°C Autoclavable) resistant, during disinfecting procedures due to its aluminum cover. It also boasts a pressure relief valve on the cover to vent excess pressure and to provide additional safety. The Gentec 7100R & 7200R Oxygen Humidifiers come with standard DISS 1240 inlet connection and a hose barb outlet connection.