These 50 mL PYREX® VISTA™ round bottom boiling flasks have full length outer 24/40 Standard Taper joints, but with shorter necks. Wall thicknesses are controlled to provide balance between thermal expansion and mechanical strength for greater
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).