PYREX Double Metric Scale, 250mL Class A Graduated
Corning These 250mL PYREX® Class A graduated cylinders are calibrated "to Deliver" (TD) in accordance with ASTM E-1272 and ASTM E-542. The double scale, numbered both up and down, is in durable white enamel. Cylinders are supplied with shock absorbing polyethylene bumper guards. For replacement bumper guards, see No. 3066. - COG