Leaks on your berghaus air tent can be solved by tightening the valve with the valve tool that comes with the tent but when they are punctured burst and damaged to the point where they cant be fixed replace them compatible with the berghaus air 4 tent the 542l air tube is located in the centre of the air 4 tent features compatible with the berghaus air 4 tent size 542l replacing instructions included replace broken air tubes on the berghaus air tents please note if youre not sure which