Straight Dermal Cannula 18G x 70mm x 40 Silkann is a complete range of aesthetic cannulas designed and manufactured to the highest levels of quality and consistency using state of the art manufacturing techniques. A unique screw type hub made using polycarbonate to reduce the risk of cannula detachment Indicator on the hub for orientation of the port during injection Ports designed to optimise the flow and performance of fillers whilst reducing injection forces