The Harvia WHP1500 Chimney Kit in Stainless Steel is the modern, yet simple solution to your sauna chimney needs. It withstands extensive changes in temperature and can be used with wood-burning sauna stoves, smaller fireplaces, and iron stoves in detached sauna buildings. Thanks to its intuitive design, this chimney can easily be extended. Designed to be used with slanted roof. Includes utility box w/size opening templates Mineral wool insulation material Touch protection is not needed if installed in a sauna Designed, engineered, and made in Finland