... of pu with copper plated steel wire helix 2 for sawdust collection in woodworking industry 3 air duct woodworking PU/TPU ... hose,sawdust suction hose,PU Woodworking flex hose Materials: Polurethane,PU,TPUFeatures ... for the transfer of large granular abrasive particles such as sawdust, timber off cuts, metal swarf, oil, mist spray extraction, plastic ...