THIS ITEM HAS BEEN REPLACED, CLICK HERE Istat Abbott 05P7001 Calibration Verification Set, 5 x 1.7 mL 5 Levels Liquid Vial, Quality Control Hematocrit, Blood Gases, Electrolytes, Chemistries, For iSTAT Point-of-Care Analyzer, sold as Each by iSTAT Tricontrols brand NON RETURNABLE, REQUIRES REFRIGERATION