... hose,ducting since 1989 Name:Vaccum cleaner stretch hose,EVA profile hose,pvc spiral hose,plastic hose,vacuun hose,industrial hose ... mould,extrusion,spiral,corrugated and so on.Features: 1 Highly flexible, light weight and high tensile strength2 1:3,1:2 ... Air diffusers for fume flues Vaccum cleaner stretch hose,eva profile hose,pvc spiral hose,plastic hose,vacuun hose,industrial hose ...