50ML Centrifuge Tubes Easy-to-read black graduations With a large unerasable frosting white printed writing area Both the graduations and writing areas are chloroform-resistant Max rotate speed up to 12,Website:http://www.yagobio.com,000xg Autoclavable at 121℃ and freezable to -80℃ Leak-proof VolumeCat#ProductsColorPackage Specification50ML Centrifuge TubesCT50150ML Bulked Centrifuge TubesVarious500 Tubes/Case (25/pk, 20pk/case)CT50250ML Racked Centrifuge TubesVarious500 Tubes/Case (25/pk, 20pk/case)