Norm-Ject syringes feature medical-grade plastics, including a polypropylene barrel and a polyethylene plunger. These inert syringes are sterile, latex-free and contain no rubber, silicone oil, or styrene. They do not contain contaminates often associated with disposables. Syringes can be used for sampling, mixing, and filtering. They are smooth drawing with a positive safety stop to prevent accidental spills. Accurate, easy-to-read increments.