Brus cartridge tightener

The Brus cartridge tightener makes it easy to install the CO₂ cartridge correctly in the Brus carbonator. The cartridge is placed in the tightener, which helps keep it horizontal during installation and allows it to be fully tightened for a proper seal. Using the cartridge tightener is not required, but it is recommended to ensure correct installation. The cartridge tightener can remain attached to the CO₂ cartridge during use and be reused when replacing the cartridg