Plastic tubing PEN-8X1,25-SI-400 standard O.D tubing, for QS plug connectors, CN and CK fittings, polyethylene (not approved for use in the food industry). Outside diameter=8 mm, Bending radius relevant for flow rate=35 mm, Inside diameter=5,7 mm, Min. bending radius=22,5 mm, Tubing characteristics=Suitable for energy chains in applications with high cycle rates