Mistral 1548-B20 ExPen P - Box of 20 Explosive Detection and Identification Kits
Explosive Detection Kit - Expen 1548 - Perchlorates
Mistral ExPen 1548 - Perchlorates based explosive detection and Identification Test test box of 20
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.