Graduated Centrifuge Tubes with Color-Coded Flathead PTFE Stopper, KIMAX® Heavy-Duty - P - 45176-13

Kimble KIMAX® tube with a standard taper bottom and a graduated scale. Calibrated to contain. With top finish to accept a standard tapered stopper. Scale and legend are printed in permanent red stain on the 13ml size and permanent brown stain on 50ml size. Marking spot is blasted on both sizes. (Do not centrifuge with stopper in tube).