Our machine has just one yr guarantee and our machine's cam/splitter/air distributor has lifetime circle guarantee. There's two different varieties of MAP processes: passive and Energetic. Energetic modified packaging displaces undesired gases with the packaging and replaces them by using a desired mixture of gases. R&D department is accountable https://www.linpack.com/news/choosing-the-right-tray-sealing-machine-for-your-business