Flask, Pyrex, Erlenmeyer, Narrow Mouth, Standard Taper Joint, Graduated, 250 mL, Corning 5000-250

These narrow mouth 250 mL PYREX® Erlenmeyer flasks have 24/40 Standard Taper joints. Their uniform wall thickness provides the proper balance between mechanical strength and thermal shock resistance. For convenience, these flasks are graduated to show approximate capacity. An extra large marking space is also provided.