Conical/Erlenmeyer, Narrow Neck with Graduations. New, affordable, high quality range of Conical Flasks made from durable 3.3. Borosilicate glass. Superior chemical and heat resistance. Complies to ISO 1773 Standard. 250ml Inner Neck Diameter 32mm.
Suitable Rubber Stoppers: 1159 - Solid 31mm, 1163 - 1 Hole 31mm, 1494 - 2 Hole 31mm