The product titled ‘Drug Control High Positive 3X Cutoff, iScreen™, 5mL (US Only) (Refrigerated – Expedited Shipment Required) – 88001’ is a control solution used in drug testing procedures. It is designed to yield a high positive result, which is three times the standard cutoff level, allowing for effective calibration and accuracy checks of drug testing devices. This product is specifically compatible with the iScreen™ testing system. It comes in a 5mL volume and is required to be refrigerated, necessitating expedited shipment. Please note that this product is available for sale in the US only.