... Colour:grey or transparent,or as you required. dust collector hose:1.Construction: wall made of abrasion resistant PU, PVC, ... breaking elongation,abrasive resistant and free of nalogens.Some hose with steel wire reinforcement can be extended.6.Application: ... .cable protection hoses,air ducting,suction/blow or transportation hose,especially feasible for high and vacumum cleaners and industrial scrubbers ...