LOW LEVEL: Includes one 10 mL vial of synthetic urine with 3.75 ng/mL Buprenorphine, enhanced with stabilizers and non-azide preservatives for accurate testing.
HIGH LEVEL: Features one 10 mL vial of synthetic urine containing 6.25 ng/mL Buprenorphine, also with stabilizers and non-azide preservatives, designed for precise drug testing calibration.
