This Audion VMS 153 Desktop Vacuum Packaging Chamber comes with a410mm seal bar and has a 21 square metre per hour pump capacity, the highest of our desktop units. This product has an effective chamber size of 270 x 310 mm. Vacuum chambers are used to remove excess air from plastic vacuum pouches and seal the top of the pouches. Typically used by the food industry when packaging items such as cheeses and meats. Using a vacuum chamber in your packaging operation is a highly efficient method when looking to create a professional looking and hygienic package, as the method reduces atmospheric oxygen which limits the growth of bacteria. The method is also ideal for shipping and fulfilment businesses looking to reduce bulky items, for instance clothing and bedding can be vacuum packed to reduce pack size, and for keeping small parts together in consignments such as in the engineering or furniture industry.