These 50 mL PYREX® Class A graduated cylinders are calibrated (TD) in accordance with ASTM E-1272 and ASTM E-542. The double scale, numbered both up and down, is in durable blue enamel. Cylinders are supplied with shock absorbing polyethylene bumper guard
EcoChoice Claim
I-RECS cover 100% of manufacturing electricity consumption
EcoChoice Narrative
One or more facilities manufacturing this product is 100% covered by renewable energy through the purchase of unbundled energy attribute certificates (EACs).