Joe's 16 "Reverse Flow is a reverse flow barbecue from JoesBBQSmoker made from 6.35 mm thick sheet steel.Of course, another very well thought-out product from JoesBBQSmoker.Because the chimney is placed on the other side the heat and smoke lends away to the chimney 2 x.This makes the temperature even better to distribute and control throughout the entire cooking chamber.The drafts are guaranteed by the construction and air inlet.This strong German product that lasts your life is of course numbered and TuV certified.