This Hyperformance Gas Cartridges containS Campingaz® Hyperformance Gas® blend. This special gas blend is faster and more powerful for a quicker transmission of energy (up to 35% more power when used with Campingaz® Hyperformance blowlamps). The gas cartridge is fitted with threaded self-sealing safety valve, ensuring safe and easy removal from the appliance and re-sealing automatically. 1750HP Gas Weight: 170g3500HP Gas Weight: 350g1 x Campingaz® 1750HP Hyperformance Butane/Propane Gas Cartridge 170g