NEW! COVID-19 Products
These heavy wall round-bottom flasks will stand up to years of use. These flasks feature standard taper outer joints on the center neck and vertical side necks. Flasks with 29/26 center necks have a groove tooled just below the grind to aid in clamping of the flask. This item is available in sizes from 100 to 72,000 mL. Additional joint sizes are available by special order.