A Set of Disposable Breathing Circuit
Un-Extensible Pipe (Threaded)
Un-Extensible Corrugated Pipe
Extensible Corrugated Pipe
Extension Tube（Threaded）
Extension Tube（Un-Extensible Corrugated）
Extension Tube（Extensible Corrugated）
Anesthesia Mask
Heat and Moisture Ex-Changer
Breathing Bag
