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NARK® II Duquenois-Levine Reagent (Marijuana)

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 Product Description

NARK® II Duquenois-Levine Reagent (Marijuana)


This presumptive test is designed to identify THC in Marijuana. Court acceptance of the Duquenois-Levine Reagent has been established through Frye Hearings and is the singularly most reliable field test manufactured.

To eliminate potential false positives, always agitate the 1st ampoule sixty (60) seconds before continuing with the 2nd and 3rd ampoules. Like all our NARK II narcotic field tests, the Duquenois-Levine Reagent is meant for presumptive field drug testing. 

10 tests per box.



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Emergency Safety Supply provides EMS, Fire and Law Enforcement personnel and agencies, with the medical supplies and equipment they use, on a daily basis.

Founded by two best friends, we are a small, flexible and highly dynamic company, that uses the latest technology, to mitigate our overhead expenses. This allows us to offer our customers some of the lowest pricing in the industry. Our goal for offering highly competitive pricing, is it will allow these agencies to stretch their budgets farther, and save more lives.

We are always looking for ways to save you money on quality products. Find out what it’s like, when your supply company, works for you.

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