Practi-Saline Flush™ 5 mL Syringe For TrainingWallcur's Practi Saline Flush 5 mL syringe for clinical training comes pre filled with distilled water. The 5 mL Practi Saline Flush is safe for manikins and simulators that accept liquid injection per the manufacturer's guidelines. Give your student hours of practice in clearing out intravenous, central, and arterial lines with Wallcur's Practi Saline Flush 5 mL syringe. Qty: 30 syringes NOT FOR HUMAN OR ANIMAL USE. FOR TRAINING PURPOSES ONLY.