13.4mm Diameter Cap Assembly Titanium Tube, Quantity of One

This accessory is required for the Ultra Clear Ultracentrifuge Tube (part # 344085, use with Red Silicone O-ring) and Thinwall Polypropylene Tube (part # 326814 use with Black Buna N O-ring) Adapter for Tubes in Beckman Coulter Rotors for use in Ultracentrifuge Rotors: Type 90 Ti (part # 355530) Type 70.1 Ti (part # 342184) MLA-55 (part #s A31459, 393203)