Campingaz Valve Cartridge with a high-performance butane/propane mix (80/20). Safe installation and removal with a self-sealing safety valve. Simply push and turn the device onto the cartridge until you hear a click for a secure and tight connection. The cartridge can be removed and re-attached, even if not yet empty. An ideal solution if you need to operate multiple devices or transport your cartridge between uses. 1 x Campingaz CV470 Plus Butane/Propane Gas Cartridge 450g