lower area of 55m² and upper area of another 55m² 3 lower area of 55m² and upper area of another 55m². lower area of 55m² and upper area of another 55m² 4 lower area of 55m² and upper area of another 55m². lower area of 55m² and upper area of another 55m², lower area of 55m² and upper area of another 55m². lower area of 55m² and upper area of another 55m² 2 lower area of 55m² and upper area of another 55m², smoke outlet, smoke outlet, lower area of 55m² and upper area of another 55m², lower area of 55m² and upper area of another 55m². Ref: 1427
