FLEXLAND – DP flexible flue: AISI 316L 2B stainless steel flexible flues (thickness 0.11 mm) produced in diameters of 80 – 300 mm included. The walls of these flues are smooth on the inside and corrugated on the outside. They are produced in rolls of predetermined size (see price list) and in 6-m long bars. They come with special sleeves for joining flexible flue sections together and for joining flexible sections to both “male” and “female” couplings on rigid flues.