... B Class B Fully Automatic Vertical Pulse Vacuum Sterilizer is suitable for sterilizing unwrapped, wrapped, solid, hollow A, hollow B, instrument ... filling, pulsing, heating up, sterilizing, drying process are fully automatic without artificial regulation.3.Built-in high quality vacuum ... according to special requirement. (50L,60L,80L)Fully Automatic Pulse Vacuum Vertical Medical Autoclave Sterilizer