Cell Culture Application Package: Allegra X-30, IVD, 120 V, 60 Hz, Ambient Benchtop Centrifuge , 4x 400mL SX4400 Swinging-bucket Rotor,15 mL Conical Adapters (2 sets of 2), 50 mL Conical Adapters (2 sets of 2) Max. tube capacity: 15 mL = 20 tubes / 50 mL = 12 tubes