This is the information provided by BF on their website:
"You can take a maximum of three butane/propane gas cylinders, with a combined weight that does not exceed 47 kg, for the purposes of lighting, heating and cooking, in your vehicle.
All cylinders should be adequately secured against the movement of the ship, be stored away from sources of heat and ignition and must be shut off during the sailing."
"You can take a maximum of three butane/propane gas cylinders, with a combined weight that does not exceed 47 kg, for the purposes of lighting, heating and cooking, in your vehicle.
All cylinders should be adequately secured against the movement of the ship, be stored away from sources of heat and ignition and must be shut off during the sailing."