Features： 1、Installed between the face guard and the breathing machine pipeline, and the oxygen interface is connected with the oxygen bottle or the oxygen suction pipe of the oxygen generator. 2、Installed between the pipeline and the breathing machine, and the oxygen interface is connected with the oxygen bottle or the oxygen suction pipe of the oxygen generator. 3、High standard and PVC material, super thick inner wall design of the connector, special designed for the face part to use. 4、Widely applications, suitable for breathing machine, oxygen generator, face guard and pipelines, universal design. 5、Easy and convenient for installation and disassemble, reliable and durable to use for most brands of breathing machine. Specification： Item Type: Breathing Machine Tubing Adapter Material: PVC Applicable Area: Face Scope of Use: Breathing machine, oxygen generator, face guard, general type pipeline Package List： 1 x Breathing Machine Tubing Adapter