Scope: products for clinical and anesthesia machine, ventilator supporting the use of a breathing connection to establish channels for the patient. Structure and Composition: products can be divided into the basic configuration and selected configuration. The basic configuration of the adapter, Y-shaped joints, pipes, machine end fittings components. Selected configuration containing breathing bags, masks, water cup, threaded extension tubes, connectors composed Features: 1, with the ventilator breathing circuit (enhanced) and the anesthesia machine, ventilator, tidal digitizer, supporting the use of a nebulizer to transporting gas. 2, injection molded L-type connectors and tees, smooth surface, the interface with the Φ15mm and Φ22mm, Φ15mm and Φ22mm can interface with each other closely connected with other standards. 3, with the ventilator breathing circuit can be divided into adult, pediatric use and enhanced. 4, reinforced tube pressure is strong, good flexibility, anti-oxidation aging resistance.