Sure is, because we all use several different anesthetic circuits and breathing systems anesthetic sheet has a field just for them. In addition to the rebreathing and non-rebreathing circuits, you are also able to add specific circuits such as Bain, T-piece, mini-Lack etc. You can add any circuit you will be using just by clicking on the "Circuit" section of the pre-operative page and simply typing in the circuit you wish to use for the surgery.