Flexible duct L=10ml with internal antibacterial/anti-mildew sanitized treatment, thermo-insulating coating and external protection with resin film. Built-in spiral in harmonic steel wire.

Working temperature: -40°C/+100°C (-40F/212F). Color: grey. Fire reaction: class 1 (DM 26/06/84), class M1, class EN B-s1, d0 (13823:2010). Max pressure: 2000 Pa. Max air speed: 20 m/s. Minimum bending radius: 1,2 ÷ 1,8 times the diameter (depending on diameters).