... centrifuge 2.CE,ISO Certification 3.Good Quality ,Low Price 4.6 Holes, 20 ml/Hole, 4000 r/m 5.strong factory ... laboratory centrifugeThe lower-speed electrical centrifuge is widely used in labs of education, science ... for biology, medical and chemistry etc. The lower-speed electrical centrifuge with the maximum 4000r/min, mainly be used for the ...