Designed specifically for use in the food industry where air tight packs are vital. Test bags are held under water and a vacuum is applied, this causes the air to expand inside the bag and any leaks are easily shown by visible bubbles. Built with quality stainless steel panels and fixtures. The vacuum venturi system is equipped with a regulator and vacuum release valve to ensure accurate results and ease of use. Small, compact and simple to use, available as a bench top or free standing option.