5 x ALLTEST Urine Ultra 20ng/ml Drug Testing Kits for Cannabis/Marijuana/THC
UKDrugTesting ULTRA 20ng/ml THC Cannabis Urine Dip Strip Drug Test Kits. Simply dip the tester into the sample and read the result at 5 minutes. Simple & Easy to use: just hold in a sample of urine for 10-15 seconds and read the result.