or
Rotor, Fixed-Angle; Thermo Scientific; For use with Heraeus Stratos Biofuge, Sorvall Stratos centrifuge series; Capacity: 8 x 50mL; Max. speed/RCF: 13,000pm/20,220 x g (for 120V unit), 15,000rpm/26,920 x g (for 208V unit); Angle: 34deg.