The Harvia WHP1000500M-PKG is everything you need for your sauna room chimney, including the chimney! This kit includes Harvia WHP1000500M black steel chimney and Harvia WHPASSYMM which is the assembly kit to put it all together. Complete package for convenience Prevents movement caused by temperature changes Can be installed indoors and outdoors Designed, engineered, and made in Finland Lead-through insulation and protector