Plastic tubing PUN-12X2-RT Standard O.D tubing, for QS plug connectors, CN and CK polyurethane fittings (not approved for use in the food industry). Outside diameter=12 mm, Bending radius relevant for flow rate=62 mm, Inside diameter=8 mm, Min. bending radius=33 mm, Tubing characteristics=Suitable for energy chains in applications with high cycle rates