The ‘Urine Drug Control Kit – 88005’ is a specialized product designed for the accurate testing and analysis of drugs in urine samples. This kit includes two vials: a 20mL Positive Vial, which contains a urine sample with known drug content for comparison, and a 20mL Negative Vial, which contains a drug-free urine sample. These controls are essential for ensuring the accuracy and reliability of drug testing procedures. Please note that this product must be refrigerated to maintain its integrity and requires expedited shipment. Currently, this product is available for purchase only within the United States.