Pneumatic Tube,Pneumatic Pipe,polyurethane pneumatic tube,polyurethane pneumatic Pipe,Polyurethane Tubing,Polyurethane Piping. Characteristics:1.Clear tube with high ... .6.Made of 100% Thermoplastic Polyurethane(TPU),and working for long life under constant pressure.Polyurethane tube can be used in ... assembly line,Laboratory,Robotics,Water transmission&gardening. polyurethane pneumatic tube(T0424-200)