Vacuum packaging removes air from the pouch and seals it in an airtight manner. Vacuum packaging extends the shelf-life and helps preserve the quality of the product. Sevana's vacuum packaging machines are equipped with microprocessor based digital controls and are sensor based for accuracy. Sevana's machines have optional facility to flush inert gas or multiple gases for modified atmosphere packing. Features : Sensor based system for high accuracy Micro-processor based. Fully see through lid. Four preset programs.