13 Panel Drug Test w/ FEN, Etg and K2 Spice. 13 Panel Drug Test – Screening with FYL, EtG, and K2. ETG (Alcohol) – 300 ng/mL. K2 (Synthetic Cannabinoids) – 50 ng/mL. The13 panel drug test provides a wide scope of detection, screening for both prescription and illicit drugs.
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