BTNX Fentanyl Testing Strip 5 for $20 or $5 a piece

Extremely easy to use and the most reliable test on the market. Simply dillute substance in water, insert strip, and results are ready in 5 minutes. The Rapid ResponseTM Fentanyl (FYL) Forensic Test Strip is a lateral flow chromatographic immunoassay for the qualitative detection of Fentanyl in liquid and powder substances at the cut-off concentration of 200 ng/mL. It is specific for Fentanyl screening with no significant cross reactivity to other opiates, such as Morphine and Heroin. The Rapid ResponseTM Fentanyl (FYL) Forensic Test Kit is able to detect Fentanyl and many other Fentanyl analogues such as Carfentanil, Acetyl Fentanyl, Butyryl Fentanyl, Remifentanil, Ocfentanil, Sufentanil, p-Fluoro Fentanyl, Furanyl Fentanyl, Valeryl Fentanyl, and 3-Methyl Fentanyl.