... . barrel, plunger, piston and sterile hypodermic needle,non-toxic, pyrogen free, sterile disposible sterile insulin syringe detail: size:0 ... Blister Product structure: barrel, plunger, piston and sterile hypodermic needleProduct instruction: made by medical polymer materials, sterilized ... by EO gas. sterile, non-toxic, hyrodermic a) Sterile, single-use, non-toxic pyrogen-free ...