Glass Wide Mouth Volumetric Flasks Class A with Glass Stopper

Glass Class A Volumetric Wide Mouth Flasks feature a pennyhead stopper and are Batch Certified.

• Durable, machine-blown body. Heavy beaded tubing neck.
• Feature a wider mouth than standard volumetric flasks for easy filling.
• Flasks feature a sharp graduation line and large white block letters.
• A ground glass stopper is included.
• Meets Class A specifications per ASTM E288.