... )2#Angle type 1.5ml*12(12000 rounds per min)3# Angle type 1.5ml*24 (12000 rounds per min) ... can be choosing at your ease, you can change the setting data when it is rounding. It has high efficiency, ... many kinds of setting, good separation, and working steadily, can be balanced automatically, ... to liquid. (CE,ISO)(GL-16C)medical high speed refrigerated centrifuge