Fentanyl 5mL positive and negative control kit. These liquid drug test controls are used to validate your rapid drug screen test performance.
*** Expedited/Overnight shipping required. Controls must stay refrigerated! ***
*** Call 888-562-5852 for shipping cost ***
- Free shipping on all orders over $50
- We ship Monday – Friday only
- We ship nationally via UPS/FedEx/USPS
- Allow 1–2 business days for order processing
- Allow 2–5 business days for delivery
- If there will be a shipping delay of more than 2 business days we will notify you
