DESCRIPTION Rigid double walled chimney system with circular section and interposed insulation gained by stabilized air with a thickness of 10 mm. The inside wall is made of polypropylene and has a seal. The outer wall is made in AISI 304 BA with a wall thickness of 0,5 mm or in copper with a wall thickness of 0,5 mm (features a blocking clamp).

USE Convoy of combustion products from thermic devices toward the external atmosphere. Production of ducts, flues for smoke, manifolds, chimney flues for gas-supplied condensation boilers.