Flexible duct made with inner layers of fabric tot. 120 μ thick PVC, supported by a spiral of harmonic steel wire inserted between two layers of PVC salt.

hot data; insulation in glass wool thermo-insulating mat 25mm thick density 18 kg/m³ ; external covering with anti-condensation PVC layer 90 μ. Working temperature: -20°C/+80°C (-4F/176F). Color: grey. Fire reaction: class 1-0. Max pressure: 2500 Pa. Minimum bending radius: 0.6 times the diameter.