Easily screen for the presence of Fentanyl (FYL) in urine using this one-step, easy-to-use test strip. Include 50 individually packages tests.
✔ Easily screen for the presence of Fentanyl (FYL) in urine
✔ 50 individually packaged tests
✔ Quick & instant results in minutes
✔ Easy-to-use, one-step test strip