Higher Propane content for even more heat and power. Appropriate for use at lower temperatures; Effective to -15C. Propane / Butane (70:30) Mix Gas Cartridge. Fitted with standard type threaded self-sealing safety valve, complying with EN417. Can be used for blow torches, chef torches, weed burners, lanterns, stoves. Fitted with standard type self-sealing safety valve. Also has Stable Mix Gas. Please note that this item has additional safety or regulatory datasheets available. The product may have possible health and safety hazards covered in these documents. Refer to the container for full information and always follow the instructions.