Made in UKAvailable: isofluorine, halothane or sevofluorineMSS 3 is like Tec 3 but here the similarity ends.Over the past ten years, we have made many improvements to the original design.In addition to those described below (Tec 3).We have created a more stable evaporator that gives the output accuracy between +/- 2% and 5% of the connection setting, as well as a longer period of “duration of use”.