Medicoclinical Centrifuge 6814electrically Operated, Dome Type, Sturdy, Stable Heavy Body with Resiliently Mounted Motor Working On 220 Volts, 50 Hz, Single Phase Ac for Vibration Free Performance with Built in 5 Speed Regulator and a Non-removable Swing Out Rotor. Complete with Tube Carriers. Maximum Speed 3500 Rpm. Neatly Finished in Stoving Enamel Paint.a) 4x15 Ml. Tubes.b) 6x15 Ml. Tubes.c) 8x15 Ml. Tubes.optional : (extra Cost)automatic 0-60 Minutes Timer.