Unit: 1 Box
Contents: 2 Vials (20 mL) – (1) Positive, (1) Negative
For Use With: Alere Toxicology Urine Drug Testing Products
Storage Requirements: 35° – 46° F
Alere Toxicology external controls check for the validation of the test performance and expected results. The external quality control are designed to work with any of urine drug screen. This product requires refrigeration and can not exceed one day in transit.