HUUM Thru-Wall Chimney KitSauna Wood Stove Chimney Set, Thru Wall This chimney set is designed to extend through the wall and is compatible with HUUM's wood fired sauna stoves. The set includes a single wall 1m pipe, Single wall elbow with cleaning hatch, Single wall pipe 0. 25 m, chimney base, a double wall 0. 5 meter chimney, a cover plate in two parts for wall, a 90 degree double wall elbow, a double wall 1 meter pipe, a chimney element bracket, and a chimney cap. Features