These 4L PYREX® flasks, without tubulations, are blown in special molds in shapes designed to give maximum mechanical strength

&#8226Marked to avoid confusion with similar sizes of Erlenmeyer flasks
• Graduated to show their approximate capacity
• Permanent white enamel graduations and marking spots
• Beaded rim uses a No. 12 rubber stopper

Item Description:
These 4L PYREX® flasks, without tubulations, are blown in special molds in shapes designed to give maximum mechanical strength

•Marked to avoid confusion with similar sizes of Erlenmeyer flasks
• Graduated to show their approximate capacity
• Permanent white enamel graduations and marking spots
• Beaded rim uses a No. 12 rubber stopper

Product Family Description:

These flasks, without tubulation, are blown in special molds, in shapes designed to give maximum mechanical strength. These flasks are graduated to show their approximate capacity. Marked “Filter Flask” to avoid confusion with similar sizes of Erlenmeyer flasks. All flasks have permanent white enamel graduations and marking spots.