The Bertrams Dw 22KP4-160 is a modular prefabricated chimney system with a 160 mm diameter and a total length of 7.7 m. It features 35 mm thermal insulation and withstands continuous temperatures up to 600 °C. Certified to EN 1856-1 standards, this complete package includes pipe elements, a 90-degree connection, and wall supports suitable for solid, oil, and gas fuels.