| 2‑way stopcockswith solid glass plug | 2‑way stopcockswith PTFE plug | 3‑way stopcocks, with solid glass plug | 3‑way stopcocks, with PTFE plug |
|---|
| 3‑way stopcocks acc. to Czako, withsolid glass plug | 3‑way stopcocks acc. to Czako,with PTFE plug |
|---|
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| 2‑way stopcockswith solid glass plug | 2‑way stopcockswith PTFE plug | 3‑way stopcocks, with solid glass plug | 3‑way stopcocks, with PTFE plug |
|---|
| 3‑way stopcocks acc. to Czako, withsolid glass plug | 3‑way stopcocks acc. to Czako,with PTFE plug |
|---|