- Complies with ISO 4796.
- Ground side socket (S29/32) to accept stopcock assemblies.
- Supplied with glass stopper.
- GGA-1571/02M stopcock with traditional glass key.
- GGA-1568/04M stopcock with Rotaflo PTFE key which is chemically inert and requires no lubrication.
![Aspirator Bottles, Ground Glass Side Socket for Stopcocks](https://phytobiosophy.com/wp-content/uploads/2021/02/Bottle15.png)