25 mm Diameter Aluminum Spacer Tube, Quantity of One

This accessory is required for the Quick-Seal Polypropylene Ultracentrifuge Tube (part # 342414) and Quick-Seal Ultra-Clear Ultracentrifuge Tube (part # 344326) Spacers for Tubes in Beckman Coulter Rotors for use in Ultracentrifuge Rotors: Type 70 Ti (part # 337922) Type 50.2 Ti (part # 337901)