16 mm Diameter Noryl Bottle-Cap Only, Quantity of One

Part of 8.5 mL Polycarbonate Bottle and Cap Assembly (part # 355615( and 10.4 mL Polycarbonate Bottle and Cap Assembly (part # 355603). Adapter for Tubes in Beckman Coulter Rotors for use in Ultracentrifuge Rotors: Type 70.1 Ti (part # 342184)