Fen-Her™ Model DXC-001 Fentanyl and Heroin Detection Kit – Fen-Her™ – With nib down, squeeze and break ‘Sample’ tube ampoule – sample a trace amount of material on to wet nib end
Fen-Her™ Model DXC-001 Fentanyl and Heroin Detection Kit – Fen-Her™ – With nib down, squeeze and break ‘Sample’ tube ampoule – sample a trace amount of material on to wet nib end