SX4400 Swinging-Bucket Rotor, Aluminum. Major applications: Rapidly sediments protein precipitates, large particles, cells, and cell debris. Can also be used for blood sample preparation. Place: 4 Volume: 400 mL Swinging Bucket Rotor with 4 Buckets; Allegra X-30, Allegra X-30R; Max RPM 4,200, 4,700; Max RCF, 3,398, 4,255. For use in Allegra X-30 Series centrifuges.