10 Ultra Sensitive 100ng Nicotine Drug Testing Strips (Cotinine Urine Tests)

Ten (10) individually wrapped nicotine (COT) urine drug dip strips with cut off concentration of 100 ng/ml 5 minute confirmation for cotinine with 2 - 3 days detection window FDA approved and CLIA waived lab grade, over 99% accurate Easy to read, insert strip in urine sample wait 5 minutes. If only a control line is visible then the result is positive for Cotinine (Nicotine). If a control and test line are both visible then the result is negative If no control line is visible the test is invalid.