Cell culture flasks, manufactured from 33 expansion, low extractable borosilicate glass conforming to USP Type I and ASTM E438, Type I, Class A requirements.

• With white ceramic enamel graduation
• Very good chemical resistance
• High temperature resistance
• Minimal thermal expansion, giving relatively high resistance to temperature changes

Thick walled tubing neck with a plain fire polished finish sealed to an Erlenmeyer-shaped body. And the extended neck is designed to accept a metal cap, plastic closure, foam plug, or cotton plug for cell culture applications.