With its reliable function, sturdy windshield and pot supportJe, the Trangia is a true classic. This version offers superb adjustability with its gas burner, and brings back the Duossal pots that were available some years ago. What is Duossal? Well, it means the pots and frying pan have a steel coating on the inside, thus combining a lightweight body with a fantastic frying/boiling surface that is super tough in long-term use and does not give out aluminum even when boiling sour ingredients for extended periods of time. The aluminum layer is 0.5 mm thick and the steel layer 0.3 mm. - 2 aluminum saucepans with steel coating inside, 1.75l and 1.5l - Aluminum frying pan with steel coating inside, size 22cm - Handle - Windshield and base A 25 series Trangia has a packing volume of roughly 3.8 liters while a 27 series model has a packing volume of roughly 2.7 liters.