20 litre chamber, Type S Steriliser that is suitable for liquids, SD card for electronic cycle archiving, clean water for each cycle, an external waste water tank, optional printer and user determined cycle times. Optional 60-minute controller for certain applications where liquid or agar is used. Steriliser comes with circular rack system and 4 trays, tray handle, 3 wire racks, SD card and SD card reader, dump tank and technical manual. Printers require one additional power point, and connect directly to the steriliser.