... Cannula.PRODUCT FEATURES:1. The Disposable Nasal Oxygen Cannula is made of clear, medical-grade PVC2. Size: Adult ... Green Disposable Nasal Oxygen Cannula COMPANY INTRODUCTION:Our company is a leading manufacturer in China, specializing in anaesthesia, respiratory ... mask, stylet, anaesthesia kit, tourniquet, endotracheal tube holder, laryngoscope blade, guedel airway,etc.Please visit our website for ...