The Vacuum Hose can be used with VacMaster® PRO Series Vacuum Sealers that support an accessory hose port. The vacuum hose along with the canisters offer an alternative method to sealing, storage and marination. Accessory Vacuum hose are great for replacements or backups. Hoses arrive ready to install. For use with all VacMaster PRO Series Vacuum Sealers that support an accessory hose.