(This is the suggested replacement for 4990-50)

These 50 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 50 mL Erlenmeyer flask is designed to ASTM E-1404 Type 1.

Item Description:
(This is the suggested replacement for 4990-50)

These 50 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 50 mL Erlenmeyer flask is designed to ASTM E-1404 Type 1.

Product Family Description:

These narrow mouth Erlenmeyer flasks have uniform wall thickness which provide the proper balance between mechanical strength and thermal shock resistance. Approximate graduations are in durable blue enamel. An extra large blue marking space is also provided. The Erlenmeyer flasks are designed to ASTM E-1404 Type 1.