13 mm Diameter Noryl Tube Spacer, Quantity of Eight

Fits 13 x 57 mm. Required Spacer for Tubes: (part # 344619) Quick-Seal Polypropylene Ultracentrifuge Tube, 13 x 64 mm. Spacers for Tubes in Beckman Coulter Rotors for use in Ultracentrifugr Rotors: Type 100 Ti.