It adopts European B standard, with 3-times per-vacuum preceding vacuum drying. Residual humidity is <0.2; Vacuum measurement reaches-0.70bar. It sterilizes and sanitizes miscellaneous packed or unpacked medical instruments, whether solid or A-type hollow, whether with multi-apertures or inset piper. It efficiently rid air from every hollow area of any hollow instrument, such as hand-piece, making sure that water steam reaches every corner. It is installed with BOWIC&DICK which measures the penetration of water steam.