The test panel yields a positive result when the concentration of THC-COOH in urine usually exceeds 50 ng/mL and in saliva 12 ng. Kit includes 5 testing units.
12-Panel Urine Drug Test Kit with FYL & ETG (Pack/15) Free Shipping Ovus Medical
8 Pack Drug Test Kit Marijuana, Individually Wrapped Single Panel THC Screen Urine Drug Test Kit with 50 ng/ml Cut Off Level, Marijuana Drug Test for Home Use, Accurate Results in 5 Minutes
Easy@Home Single Drug Screen Test (Cannabinoids Urine Test) - THC Tests for Home Urine Drug Test Kit, THC Detox Testing Kits Cutoff Level 50ng/mL Individually Wrapped #EDTH-114 (10 Pack)
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