Disposable valved gas cartridge for blowlamps and blowtorches. 70% propane & 30% butane. Conforms to EN417
Threaded cartridge of premium mix butane, propane and iso-butane for use at low temperatures. made of Tin. Threaded cartridge. 350g Butane-IsoButane Propane Mix Gas Cartridge Double skin safety valve Effective to -20 deg C Non- refillable Filled to the European standard EN417