Home Products Food Preservation and Sous-Vide Vacuum Packing Machines - "sensor Ultra" Line Vac-norm containers For using as external vacuum packing click to enlarge Different sizes vac-norm containers. Stainless steel made. Lids are sold complete with gasket and valve. for further information Contact Us Detailed Information Docs Specifications Sheet Product Sheet Spec sheet (pdf) Brochure > Vacuum Packing Machines - Sensor (Interactive) (pdf) Brochure > Vacuum packing basics - English (pdf) Brochure > Vacuum Packing Machines - Sensor (pdf)