Easy to use and affordable, the Rapid ResponseTM Fentanyl Test Strip is available in liquid or powder form. Fentanyl may be consistently and fast detected with this qualitative screening test up to cutoff levels of 200 ng/mL. In as little as one minute, you will have precise and reliable results from this drug test. This is just for forensic purposes. An intravenous drug is not. Get more information about Lochness Medical - fentanyl test strips for sale visit https://www.lochnessmedica...