7 different colored plug sizes, ranging from white to black, provide a simple representation of the diameters using the color mirror. The range is from an inside diameter of 9 mm to an inside diameter of 110 mm (0.35″ to 4.33″). The material is silicone, with a Shore hardness of 35. The plugs are heat-resistant up to a maximum of 300°C.
Combined with the Swirl Nozzles, it makes the perfect kit for the best and fastest purging gas dispersion.