The Drum is a pre-filled 1kg Soda Lime cartridge that has been developed specifically for clinical use during anaesthesia. The Drum can be used on numerous anaesthetic machines with single or double absorbers that have been designed to take the conventional design of pre-filled cartridges.

The Drum is provided with a choice of, Spherasorb™ 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.