Our machine has 1 yr warranty and our machine's cam/splitter/air distributor has lifetime circle guarantee. The 3 most popular MAP techniques are gasoline flushing, barrier films, and scavenger or desiccant packaging. VEVOR filling machines are a must have resources in several industries that contend with the packaging and distribution https://www.linpack.com/news/choosing-the-right-tray-sealing-machine-for-your-business