Helix PVC Spiral Suction Pipe Extrusion Line 1/2 Inch to 2 Inch Zhejiang Sali Abrasive Technology Co., Ltd. Base Info Description Pre:Helix PVC Spiral Suction Hose Extrusion Line with 30 Meters Water Tank Next:45mm Extruder Helix PVC Spiral Suction Hose Extrusion Line 1/2'' - 2''