This gas burner is designed to convert your Trangia 25 or 27 spirit fuel cooker into a more efficient and controllable alternative to the original spirit burner. It can be easily installed in the lower windshield and is a DofE Recommended Kit that is included in the DofE Expedition Kit List. Part of the DofE Award recommended kit which features on the DofE Expedition Kit ListOffers greater efficiency and controlWeight: 180gIncludes coverHighly efficientEasy controlHigh power means a faster boiling timeClean burning - no soot on your pans!