These 1L PYREX® round bottom boiling flasks have short ring necks and take a No. 8 rubber stopper. These ring neck boiling flasks are precisely tooled for uniform stopper fit. The reinforced rim increases mechanical strength. These flasks are used in appl
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).