light weight, flexiblity ProductMaterialI.DStandard Color Conical extrusion Formed hoseEVA, PE32-80mmBlack, silver & grey The main size available I.D.: 32x35 32x38O.D.: 39x42 39x46Applicable range home and industrial vacuum cleaner,central vacuum cleaner system, ventilation hose. Conical extrusion Formed hose