ALLTEST Ultrasensitive 20ng Cannabis Urine Drug Test Strips

Ultra sensitive Cannabis urine drug testing strips.

• Ultra sensitive Cannabis drug test strips for urine with a sensitivity for THC of 20ng/ml (most standard THC drug tests in UK detect 50ng)
• They can detect Cannabis for up to 6 days after last use. After prolonged heavy use, they can detect it for up to 30 days after last use.
• Simple and easy to use THC urine drug test strips
• Instructions included.