SONOTEX TALS NB - Lightweight flexible, acoustically insulated duct

Sonotex TALS/Y25J No Barrier is made of perforated Texoflex AL Stretch inner duct as the basic duct, thermal insulation of glass wool 25 mm thick and external jacket made of polyester laminated aluminium foil. Due to its exceptional flexibility it is easy to install on circular and oval connectors.