The tube have large lumen can effectively reduce the tube occlusion. 

Have Radio-opaque line for detection of correct placement.  

Have good elasticity and flexibility, can reduce stomach trauma. 

The multi-function connector have Feeding Port and Medication Portprovide a variety of connecting use more easily and quickly.

Breathing Circuits should be used together with the anesthesia machine, ventilator, tidal device and nebulizer for clinic patients to establish a respiratory connection channel.