Features: 1Breathing Machine Connection: Used to connect the breathing machine and the humidifier, so as to humidify and heat the gas output by the breathing machine. 2Flexible Hose: The angle can be adjusted according to actual needs, smooth interior, helps improve the performance of the breathing machine, practical for use. 3Replacement Accessory: Easy to connect, no complicated operations and tools required, bring you convenience. Wonderful replacement for the old or broken one. 4Multiple Applicable Place: Light weight and in small size, it doesn't take up much space, easy to store and carry, perfect for home use and health center. 5ABS And Rubber: Breathing machine tubing adopts excellent ABS and rubber material, safe and eco friendly, wear resistant, has a long service life. Item Type: Breathing Machine Tubing Material: ABS, Rubber Size15cm,45cm,60cm,90cm,120cm Use: Connect breathing machine and humidifier water chamber Package Included: 1 x Breathing Machine Tubing