Class B vacuum steam dental Autoclave sterilizer WanRui-M 12/16/18/23L(MODEL)VoltagePowerVolumeChamber SizeOutside SizeWR-12B-M(-P)220V/50HZ1800V12L200 X 360mm540 X 442 X 380mmWR-18B-M(-P)220V/50HZ1800V18L245 X 350mm540 X 442 X 380mmWR-23B-M(-P)220V/50HZ2300V23L245 X 450mm660 X 442 X 380mmEuropean B standard with 3-time vacuum and drying.Residual humidity is less than 0.2% vacuum measurement reaches -0.8barSuitable for packed or unpacked medical instruments,Website:http://www.wanruimedical.com,solid or A-type hollow.It efficiently tides air from every hollow area of any hollow instrument,such as hand-piece,Making ure that water steam reaches every corner.Mini printer can be attached to record the process of sterilization.