Stainless steel modular chimney, complying with international fire safety requirements and CE-marked, designed to remove combustion products from sauna stoves, metal stoves and fireplaces fired with solid and other fuels by natural draught. The maximum permissible temperature of combustion products (gases) at the point of connection to the heat source is 600 °C. The external diameter of a round chimney shall be 200 mm. The thickness of the insulation of the chimney shall be 50 mm made of mineral wool and the thickness of the outer casing made of stainless steel shall be 0,5 mm. The diameter of the flue pipe shall be 115 mm, made of stainless steel with a thickness of 0,6 mm. Vertical installation only.