Round Bottom With two Neck 250ml Pyrex

Capacity: 250 mL.
Material: Borosilicate glass (Code 7740), known for high thermal shock resistance (up to 230°C–500°C) and chemical durability.
Joint Types: Commonly features a 24/40 or 24/29 center neck and a smaller side neck (e.g., 14/20, 14/23, or 19/26).
Dimensions: Approximately 130mm–140mm in height with an outside diameter of roughly 83mm