Suction hose Common Applications Ideal for abrasive small solids such as ducts ,powders chips and grains .also ideal as ventilation hose for air conditioning and ventilation system Constructions: Hose materials: Top grade of PVC or PU Helix: Rigid PVC Features: Highly flexible Smooth interior Extremely tearing resistance High tensile strength Different colors are available Temperature range: PVC wall:Minus 20 degrees Celsius to plus 70 degrees Celsius(short time to 80 degrees ) PU wall: Minus 40 degrees Celsius to plus 90 degrees Celsius(short time to 125 degrees ) Standard length: 20 meters