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 and internationally via DHL
- Most orders placed by 12pm MST will ship the same day
- Most orders will get delivered within 1-4 business days
- If there will be a shipping delay of more than two business days we will notify you
Call 888-562-5852 to verify critical expedited shipment requests made online.
Your order will ship the next day if placed after shipping cut-off time.
Shipping & Return Policy
