Mann Lake Smokers are the highest quality smokers available on the market! They have recently redesigned their smokers from top to bottom. Now with a high strength opening tab, stronger bellow bracket, rust free welded bottom panels, and a commercial grade hinge. Stainless steel construction is complemented by a top quality bellows. Mann Lake Smokers are perfect for hobbyists and pros alike! All smokers are 4" (10.16 cm) in diameter.