Air Duct hose 1.high strength,durable 2.corrosive resistant ... fabricAvailable in the following colours: Black, Blue, Grey.Green,Yellow,Red,White, OrangeDiameters: 100mm - 2000mm.Cloth thickness:0.4mm-0.65mm ... handled and suitable for a wide range of low pressure air, fume and dust removal applications,such as mine; Tunnel. ... no-poison, no peculiar smell. Without Dust, No fiber pulverized. Air Duct hose