Description Go System Butane Gas 220g 4 Pack. • Bayonet cartridge of premium butane gas. • A Countersunk Relief Valve (CRV) system safely releases gas in the case of a build-up in internal pressure. • 227g Butane-IsoButane Propane Mix Bayonet Gas Cartridge. • Effective to -20 deg C. • Non- refillable. • Filled to the European standard EN417. • Sold in packs of 4.
