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  • 5ng/mL Fentanyl Test Liquid Urine Positive and Negative Controls - Single Level - Includes 3 Positive 5mL Vials and 3 Negative 5 mL Vials - 6 Vials Total - 1 Set Each

5ng/mL Fentanyl Test Liquid Urine Positive and Negative Controls - Single Level - Includes 3 Positive 5mL Vials and 3 Negative 5 mL Vials - 6 Vials Total - 1 Set Each

SKU CNTRL-5NG-FEN-6PK
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