hermovent® T, Sterile**:100/570/015Sterilesingle use heat and moisture exchanger. Provides effective humidification for spontaneously breathing patients whose upper airways are bypassed by a tracheostomy tube. Device can be used for a maximum period of 24 hours. Now there is a new oxygen accessory line available. The Thermovent T2 Oxygen Line is a specific designated oxygen tube for use with the Portex¬® Thermovent T2. Package: 50pcs/box