... * Halothane, Enflurane, Isoflurane, Sevoflurane PRAT-B1(High Grade) Economical Type Anesthesia Machine(CE Approved)* High-precision Evaporator, either Halothane, Enflurane, Isoflurane or ... , Tidal Volume, Respiratory Rate) * Real-time Display of Respiratory Duct Pressure. CE Approved Economical Type Anesthesia Machine