Demo Dose® Prefilled Syringes with Distilled Water - 10 ml. by Nasco Healthcare $4.95 PN01087 Demo Dose® Prefilled Syringes with Distilled Water - 10 ml. / PN01087 / Cart Title Demo Dose® Prefilled Syringes with Distilled Water - 10 ml. Product ID PN01087 CheckoutType Cart Add to cart Now you can simulate the injection of medication through ports, G-tube, IV access, etc. Each syringe is filled with distilled water and has a luer lock tip. For instructional use only. Not for human or animal use.