The GB74 gas burner fits in the lower windshield of the Trangia 25 series stove. It is a great alternative to the spirit burner that the Trangia 25 is equipped with. 

About Trangia - In 2025 Trangia celebrates 100 years of producing high quality stoves in Trangsviken, Sweden. Their Iconic design has endured through the decades and will last the decades to come.