... Days 4)white,black,grey colour White PVC alu flex duct PVC Flexible Duct PFD - Polyvinyl Chloride PFD is permanently bonded to a ... of DuctPolyvinyl Chloride, Steel wireThickness of Duct0.10mmFire ResistanceYes,General Air Velocity30m/sOperating Pressure2000 PaOperating Temperature Range0 °C/+80 °CAvailable ... 10mPackingPaper carton box with Polyethylene bag inside 6 inch VINYL FLEXIBLE AIR DUCT