M2-250EM is a robust dual-chamber model in our series. Dual-chamber with a lid cover swinging right to left. While you set the product in one chamber and close the lid cover, the machine will operate automatically include vacuum and sealing. You can then set another product on the other chamber. When complete cycle in the first chamber, the lid cover will open automatically. You swing the lid cover to the other side of the chamber and close the lid cover, the machine will operate automatically. You repeat this for the highest production throughput. All stainless steel Mobile model (Floor model) with two flat working surfaces. Stainless steel swinging lid cover with a sealing mechanism built in. Easily removable counter-beam holders for cleaning surface plate. A Space Filler that comes with the machine enables you to adjust the usable chamber heights and net payload volume. 10 program capability offers the ultimate in process control.