... combi flexible duct, flexible duct, foil, acoustic,combi ducting, flexible hose, aluminum flexible ducting, aluminium flexible ducting, flexible duct, acoustic, insulated, combi ducting, flexible hose, aluminum flexible ducting, aluminium Aluminium Flexible DuctingApplication: ... encapsulated high tensile steel wire helix.Advantages: Supplied in standard 10 metre length, compressed to 0.4 - 0.6 metre; ...