PYREX 50mL Conical Centrifuge Tube with White Grad
Corning These 50mL PYREX® conical centrifuge tubes have white enamel graduations and are graduated upward from tip to 10mL in 0.5mL divisions, and from 10 to 50 in 1mL divisions. The No. 16 Standard Taper pennyhead stopper is solid glass. - COG