Case of 12 - 250mL Erlenmeyer (Conical) Flasks, Glass - Premium Borosilicate 3.3 Go to amazon.com Related posts Top 9 best 250ml erlenmeyer flask 2022 FeatureHigh quality, borosilicate flasks250mL Capacity DescriptionEISCO Erlenmeyer (Conical) Flask, Borosilicate, 250mL, Pack of 12(12) FlasksPackage of 12 Erlenmeyer flasks.