Unico Cuvettes & Test Tubes Box S-90-301 by Unico GROUP: Lab Equipment & Accessories:Sample Collection & Processing:Tubes/Vials/Cuvettes Item Description: Glass Tube, 10 mm Pathlength, 4mL Capacity, Visible, 12/Box (DROP SHIP ONLY) Packaging Desc: Tube Glass Visible 12/Box (Drop) Country of Origin: Harmonized Tariff Code: Product Description: