Oxygen therapy flowmeters are available with a variety of connection types. The Intersurgical range of adaptors has been designed to permit the attachment of humidification devices with 9/16 UNF Diameter Index Safety System (D.I.S.S) threaded couplings to a variety of flowmeter types. Please download the explanatory poster entitled Oxygen Therapy Flowmeters to choose the most suitable adaptor for your application.