The universal gas burner cartridge from Rothenberger is a practical solution for anyone in need of a reliable energy source on the go. This cartridge contains a high-quality gas mixture made up of 25% propane and 72% butane, making it ideal for refilling lighters, gas igniters, and gas-powered micro soldering devices. The cartridge is made from robust aluminum, ensuring high durability and safety. A special feature of this cartridge is the integrated adapter ring in the cap, which allows for easy handling and compatibility with various devices. Whether camping, grilling, or engaging in craft activities, the universal gas burner cartridge provides an efficient and practical solution for your energy needs. It is an essential accessory for anyone who values quality and reliability.