- Complies with ISO 385.
- Interchangeable PTFE stopcock.
- Graduation and inscription in blue enamel.
- With funnel top to make filling easier and safer.
- Schellbach burette tube with vertical white stripe and central blue ribbon.
– Facilitate accurate reading of meniscus.
– Exact position of the meniscus is clearly defined where the blue ribbon splits into a wide and narrow band.
![Burettes, Class AS, Schellbach](https://phytobiosophy.com/wp-content/uploads/2021/02/Burettes2.png)