Material spiral: spring steel wire hose wall: two layer construction inner layer: aluminium lamination outer layer: co-polymer coated polyester fabric Applications ● Steam extraction ● Air-conditioning and ventilation systems ● Extractor units, which require normal ● Extractors | Properties ● extremely flexible ● smallest bending radii ● super lightweight ● reinforced with a semi-concealed spring ● flammability rating acc. to DIN 4102 B2 ● acc.to DIN EN 13180 ● compressable approx 1:5 Temperature Range ● -30°C to +140°C* |