Explosive Detection Kit - Expen 1640G- 1,2,3 Kit (Green Box)
Mistral ExPen 1640G- Full Detection Kit. Contains ExPen 1, 2, 3
ExPen (ampoule-based technology) contains the same chemistry technology as DropEx bottles. The ExPen was designed for military, EOD, and security personnel primarily for easy carrying and for situations that do not require multiple tests.