3 mm. Adjustable vacuum, sealing, inflating and cooling time, automatic and manual operation. Suitable for vacuum packing liquid and wet food. Fitted with a digital display and a manual pressure gauge. High quality oil pump which provides high pressures (1009mbar) and fast vacuum speed. Body and chamber made of high quality stainless steel. Large recess in the bottom and domed transparent cover allow for packing large portions. With bag clamp inside the chamber to keep bags in place during operation. Oil cooled pump, capacity: 333,3 L/min. Chamber dimensions: 425x457x(H)100 mm