Fen-Her Fentanyl & Heroin Detection Kit - 50 tests
Kit for the presumptive identification of fentanyl, fentanyl derivatives, and heroin. False positives are reduced and heroin and fentanyl are clearly differentiated. 5 tests per box. DXC-002 Fen-Her V2. Available in bulk as 10 boxes of 5 tests per box.
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