10 tests per box For presumptive field drug testing Best if used within 3 years Choose from the following reagents: Nitric acid reagent is designed to differentiate between Heroin/Morphine Cobalt-Thiocyanate reagent will identify Cocaine, Procaine and Tetracaine Mandelin reagent is for Methadone, Amphetamines or Methamphetamine Duquenois reagent is for THC Modified Cobalt-Thiocyanate reagent is a more specific field test for Cocaine and will distinguish between Cocaine HCl and Cocaine Base Sodium Nitroprusside reagent is designed for Methamphetamine and MDMA (Ecstasy)table.productattributes, .productattributes td { border-bottom: 1px solid #ddd; border-collapse: collapse; padding: 2px; text-align: left; }