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. 50ml Inner Neck Diameter 26mm.
Suitable Rubber Stoppers: 1157 - Solid 25mm, 1161 - 1 Hole 25mm, 1492 - 2 Hole 25mm