Stout-walled Thistle Tube Funnels for the delivery of liquid to an existing system or apparatus.

• Made of high quality borosilicate 3.3 glass
• Stout wall design for durability
• Ideal for filling narrow items like burettes, barometer tubes, and manometers
• Minimizes the risk of a reaction occurring too rapidly

Thistle Tube funnel for the insertion of liquid to an exact position in an existing system or apparatus. Reservoir is 38 mm in height with a 38 mm Ø and an Int.Ø of 25 mm. The Ext.Ø of the stem is 12 mm.

Eisco borosilicate glass has the following heat tolerances:
- Strain Point 515 °C
- Annealing Point 565 °C
- Softening Point 820 °C