Metro Duct hoses are highly specialized in performance. They are widely used for pneumatic transportation; dust collecting equipments, washing machines and airconditioning equipments in building. Also suitable for carding machines and draw frames in Textile machinery. This light weight, flexiable, non-metalic hose has a specially compunded rigid PVC reinforcement which is helically wound and inseparably fused to the soft iner walls. By its unique construction, our ducting results in a thin, very smooth wall, being almost completely protected from any possible crushing.