Description
(This is the suggested replacement for 4990-250)
These 250 mL PYREX® VISTA™ Erlenmeyer flasks have uniform wall thickness which provide balance between mechanical strength and thermal shock resistance. Approximate graduations are in durable blue enamel. An extra large marking space is also provided. The 250 mL Erlenmeyer flask is designed to ASTM E-1404 Type 1.
