The Pyramid is an easy to use disposable absorber specifically developed for clinical use during anaesthesia to absorb carbon dioxide within an anaesthetic breathing system. The Pyramid is compatible with the following Draeger® anaesthetic workstations providing it is used in conjunction with the CLIC® adaptor: Fabius® Julian® Primus® Zeus® Perseus® The Pyramid is provided with a choice of, Spherasorb™ medical grade soda lime, or LoFloSorb™, medical grade alkali-hydroxide-free absorbent. This provides the user with a choice of absorbent according to their requirements and preference.