Braini1 year ago000I need outer and inner diameters. One of them would be 13 mm, but which one? And the other?Show in original language (German)grisli5grisli51 year ago • purchased this product000purchased this productThe drip tube is not very thick and is therefore somewhat deformed or mouldable. The inner diameter is 13 mm and the outer diameter is approx. 15 mm.Show in original language (German)Comment