A nozzle, which happens to be the snorkel, is then inserted in to the packaging product. It pulls a vacuum then flushes the modified atmosphere into your package deal. The nozzle is removed along with the bundle is heat sealed. This method is appropriate for bulk and huge operations.[11] https://www.linpack.com/news/top-technologies-linpack-uses-to-enhance-product-freshness-and-shelf-life