... hose,industrial hose,wire conduit,corrugated hose,ventilation hose,PVC hose,PU hose,ducting since 1989 Name:Vaccum ... corrugatedMaterials: Outer bore(Wall): High quality soft PVC Reinforcement: High intensity PVC coated spring steel wire,corrosion resistant. Inside ... pressure(Mpa)Length(m)250.22410320.42510380.62615500.82815Techniques:Bow mould,injection mould,extrusion,spiral,corrugated and so ...