Respiratory Filter, Hmef, Bvf manufacturer / supplier in China, offering Medical Corrugated Extendable Smoothbore Corrugated Anesthesia Breathing Circuit Catheter Mount Supply, Anesthesia Breathing Circuit Medical Use Catheter Mount Extension Tube 15m/22f Connector for All People, 15 Cm Corrugated Expandable PVC Smoothbore Tubes Double Swivel Elbow Catheter Mount 15m/22f and so on.