1 PVC ventilation hose 2 for air ducting,coated steel wire reinforced 3 flexible,ID from 2"~12" 4 wood working hose Name:PVC ventilation Hose Material: Wall:Top Quality PVC Spiral:PVC coated steel wire Application: 1 Ideal for ventilation and air conditioning HVAC system,industrial vacuum cleaner,and granulate conveying systems. 2 Suction and transportation hose for: Gaseous medias such as vapors ...