These narrow mouth 500 mL PYREX® Erlenmeyer flasks have No. 32 PYREX® Standard Taper stoppers for secure sealing. Their uniform wall thickness provides the proper balance between mechanical strength and thermal shock resistance. For convenience, these fla
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).