» The tubing material is bio-compatible material with longer indwelling time, with low coefficient of friction, thereby smoothing the insertion.» Port/injection valve with non-return silicon valve for intermittent medication.» Color copped cap of easy gauge identification.» Sharp bevel with back cut needle to reduce penetration force.» Needle cover to protect the needle from accidental damage.» Luer lock (stopper) used to plug the cannula is not in use.