1.PVC Flexible Duct made of fire retardent pvc material and helix wire pvc.
2.easily to connect due to flexible .
3.enduring the high temeprature and oleic acid .
4.hose body transverse no juncture ,has no air leakage ,wear-resistant ,corrosion resistance ,antistatic ,the wind drag small ,light weight ,the compressive strengh etc advantages.