Sirchie NAR10001 NARK Test Mayers Reagent (Narcotic Alkaloids), Box of 10

The Mayers Reagent is specifically designed as the starting point within the sequential testing system. Whatever the unknown substance; powder, chunk, tablet or liquid, the Mayers will direct you toward the next presumptive field test. Used primarily by Border Patrol or Customs (ICE) officers due to the nature of their searches.