[25 Pack] Fentanyl Strips for... https://www.amazon.com/dp/B07N8HG3Q1?ref=ppx_pop_mob_ap_share

[25 Pack] Fentanyl Strips for Rapid Detection, Urinary Drug Testing, One-Step Quick Results, Easy-Read Urine Drug Test Strips, Synthetic Opioid Detection Drug Testing Strip https://www.amazon.com/dp/B07N8HG3Q1/ref=cm_sw_r_cp_api_i_YBX3RNGQCVYXPK4B5Y2V

With Amazon prime you can get them in the next couple of days

The comments say that you can test your drugs with these by putting a bit of your stuff in water